726889725

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 1334852064

約数和(自身を除く): 607962339

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 211, 225, 251, 305, 549, 633, 753, 915, 1055, 1255, 1525, 1899, 2259, 2745, 3165, 3765, 4575, 5275, 6275, 9495, 11295, 12871, 13725, 15311, 15825, 18825, 38613, 45933, 47475, 52961, 56475, 64355, 76555, 115839, 137799, 158883, 193065, 229665, 264805, 321775, 382775, 476649, 579195, 688995, 794415, 965325, 1148325, 1324025, 2383245, 2895975, 3230621, 3444975, 3972075, 9691863, 11916225, 16153105, 29075589, 48459315, 80765525, 145377945, 242296575, 726889725]

約数ペア:

[(1, 726889725), (3, 242296575), (5, 145377945), (9, 80765525), (15, 48459315), (25, 29075589), (45, 16153105), (61, 11916225), (75, 9691863), (183, 3972075), (211, 3444975), (225, 3230621), (251, 2895975), (305, 2383245), (549, 1324025), (633, 1148325), (753, 965325), (915, 794415), (1055, 688995), (1255, 579195), (1525, 476649), (1899, 382775), (2259, 321775), (2745, 264805), (3165, 229665), (3765, 193065), (4575, 158883), (5275, 137799), (6275, 115839), (9495, 76555), (11295, 64355), (12871, 56475), (13725, 52961), (15311, 47475), (15825, 45933), (18825, 38613)]