64907955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 147124224

約数和(自身を除く): 82216269

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 31, 35, 45, 51, 63, 69, 85, 93, 105, 115, 119, 153, 155, 161, 207, 217, 255, 279, 289, 315, 345, 357, 391, 465, 483, 527, 595, 651, 713, 765, 805, 867, 1035, 1071, 1085, 1173, 1395, 1445, 1449, 1581, 1785, 1953, 1955, 2023, 2139, 2415, 2601, 2635, 2737, 3255, 3519, 3565, 3689, 4335, 4743, 4991, 5355, 5865, 6069, 6417, 6647, 7245, 7905, 8211, 8959, 9765, 10115, 10695, 11067, 12121, 13005, 13685, 14973, 17595, 18207, 18445, 19941, 23715, 24633, 24955, 26877, 30345, 32085, 33201, 33235, 36363, 41055, 44795, 44919, 46529, 55335, 59823, 60605, 62713, 74865, 80631, 84847, 91035, 99705, 109089, 123165, 134385, 139587, 166005, 181815, 188139, 206057, 224595, 232645, 254541, 299115, 313565, 403155, 418761, 424235, 545445, 564417, 618171, 697935, 763623, 940695, 1030285, 1272705, 1442399, 1854513, 2093805, 2822085, 3090855, 3818115, 4327197, 7211995, 9272565, 12981591, 21635985, 64907955]

約数ペア:

[(1, 64907955), (3, 21635985), (5, 12981591), (7, 9272565), (9, 7211995), (15, 4327197), (17, 3818115), (21, 3090855), (23, 2822085), (31, 2093805), (35, 1854513), (45, 1442399), (51, 1272705), (63, 1030285), (69, 940695), (85, 763623), (93, 697935), (105, 618171), (115, 564417), (119, 545445), (153, 424235), (155, 418761), (161, 403155), (207, 313565), (217, 299115), (255, 254541), (279, 232645), (289, 224595), (315, 206057), (345, 188139), (357, 181815), (391, 166005), (465, 139587), (483, 134385), (527, 123165), (595, 109089), (651, 99705), (713, 91035), (765, 84847), (805, 80631), (867, 74865), (1035, 62713), (1071, 60605), (1085, 59823), (1173, 55335), (1395, 46529), (1445, 44919), (1449, 44795), (1581, 41055), (1785, 36363), (1953, 33235), (1955, 33201), (2023, 32085), (2139, 30345), (2415, 26877), (2601, 24955), (2635, 24633), (2737, 23715), (3255, 19941), (3519, 18445), (3565, 18207), (3689, 17595), (4335, 14973), (4743, 13685), (4991, 13005), (5355, 12121), (5865, 11067), (6069, 10695), (6417, 10115), (6647, 9765), (7245, 8959), (7905, 8211)]