313081245

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 593049600

約数和(自身を除く): 279968355

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 71, 87, 93, 109, 145, 155, 213, 261, 279, 327, 355, 435, 465, 545, 639, 899, 981, 1065, 1305, 1395, 1635, 2059, 2201, 2697, 3161, 3195, 3379, 4495, 4905, 6177, 6603, 7739, 8091, 9483, 10137, 10295, 11005, 13485, 15805, 16895, 18531, 19809, 23217, 28449, 30411, 30885, 33015, 38695, 40455, 47415, 50685, 63829, 69651, 92655, 97991, 99045, 116085, 142245, 152055, 191487, 224431, 239909, 293973, 319145, 348255, 489955, 574461, 673293, 719727, 881919, 957435, 1122155, 1199545, 1469865, 2019879, 2159181, 2872305, 3366465, 3598635, 4409595, 6957361, 10099395, 10795905, 20872083, 34786805, 62616249, 104360415, 313081245]

約数ペア:

[(1, 313081245), (3, 104360415), (5, 62616249), (9, 34786805), (15, 20872083), (29, 10795905), (31, 10099395), (45, 6957361), (71, 4409595), (87, 3598635), (93, 3366465), (109, 2872305), (145, 2159181), (155, 2019879), (213, 1469865), (261, 1199545), (279, 1122155), (327, 957435), (355, 881919), (435, 719727), (465, 673293), (545, 574461), (639, 489955), (899, 348255), (981, 319145), (1065, 293973), (1305, 239909), (1395, 224431), (1635, 191487), (2059, 152055), (2201, 142245), (2697, 116085), (3161, 99045), (3195, 97991), (3379, 92655), (4495, 69651), (4905, 63829), (6177, 50685), (6603, 47415), (7739, 40455), (8091, 38695), (9483, 33015), (10137, 30885), (10295, 30411), (11005, 28449), (13485, 23217), (15805, 19809), (16895, 18531)]