71309775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 125063424

約数和(自身を除く): 53753649

約数列:

[1, 3, 5, 15, 23, 25, 67, 69, 75, 115, 201, 335, 345, 575, 617, 1005, 1541, 1675, 1725, 1851, 3085, 4623, 5025, 7705, 9255, 14191, 15425, 23115, 38525, 41339, 42573, 46275, 70955, 115575, 124017, 206695, 212865, 354775, 620085, 950797, 1033475, 1064325, 2852391, 3100425, 4753985, 14261955, 23769925, 71309775]

約数ペア:

[(1, 71309775), (3, 23769925), (5, 14261955), (15, 4753985), (23, 3100425), (25, 2852391), (67, 1064325), (69, 1033475), (75, 950797), (115, 620085), (201, 354775), (335, 212865), (345, 206695), (575, 124017), (617, 115575), (1005, 70955), (1541, 46275), (1675, 42573), (1725, 41339), (1851, 38525), (3085, 23115), (4623, 15425), (5025, 14191), (7705, 9255)]