197454915

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 431499552

約数和(自身を除く): 234044637

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 81, 85, 105, 119, 135, 153, 189, 241, 255, 289, 315, 357, 405, 459, 567, 595, 723, 765, 867, 945, 1071, 1205, 1377, 1445, 1687, 1785, 2023, 2169, 2295, 2601, 2835, 3213, 3615, 4097, 4335, 5061, 5355, 6069, 6507, 6885, 7803, 8435, 9639, 10115, 10845, 12291, 13005, 15183, 16065, 18207, 19521, 20485, 23409, 25305, 28679, 30345, 32535, 36873, 39015, 45549, 48195, 54621, 61455, 69649, 75915, 86037, 91035, 97605, 110619, 117045, 136647, 143395, 163863, 184365, 208947, 227745, 258111, 273105, 331857, 348245, 430185, 487543, 553095, 626841, 683235, 774333, 819315, 1044735, 1290555, 1462629, 1659285, 1880523, 2322999, 2437715, 3134205, 3871665, 4387887, 5641569, 7313145, 9402615, 11614995, 13163661, 21939435, 28207845, 39490983, 65818305, 197454915]

約数ペア:

[(1, 197454915), (3, 65818305), (5, 39490983), (7, 28207845), (9, 21939435), (15, 13163661), (17, 11614995), (21, 9402615), (27, 7313145), (35, 5641569), (45, 4387887), (51, 3871665), (63, 3134205), (81, 2437715), (85, 2322999), (105, 1880523), (119, 1659285), (135, 1462629), (153, 1290555), (189, 1044735), (241, 819315), (255, 774333), (289, 683235), (315, 626841), (357, 553095), (405, 487543), (459, 430185), (567, 348245), (595, 331857), (723, 273105), (765, 258111), (867, 227745), (945, 208947), (1071, 184365), (1205, 163863), (1377, 143395), (1445, 136647), (1687, 117045), (1785, 110619), (2023, 97605), (2169, 91035), (2295, 86037), (2601, 75915), (2835, 69649), (3213, 61455), (3615, 54621), (4097, 48195), (4335, 45549), (5061, 39015), (5355, 36873), (6069, 32535), (6507, 30345), (6885, 28679), (7803, 25305), (8435, 23409), (9639, 20485), (10115, 19521), (10845, 18207), (12291, 16065), (13005, 15183)]