123553125

素因数分解:

$3^2\times 5^5\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 233985024

約数和(自身を除く): 110431899

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 191, 207, 225, 345, 375, 573, 575, 625, 955, 1035, 1125, 1719, 1725, 1875, 2865, 2875, 3125, 4393, 4775, 5175, 5625, 8595, 8625, 9375, 13179, 14325, 14375, 21965, 23875, 25875, 28125, 39537, 42975, 43125, 65895, 71625, 71875, 109825, 119375, 129375, 197685, 214875, 215625, 329475, 358125, 549125, 596875, 646875, 988425, 1074375, 1647375, 1790625, 2745625, 4942125, 5371875, 8236875, 13728125, 24710625, 41184375, 123553125]

約数ペア:

[(1, 123553125), (3, 41184375), (5, 24710625), (9, 13728125), (15, 8236875), (23, 5371875), (25, 4942125), (45, 2745625), (69, 1790625), (75, 1647375), (115, 1074375), (125, 988425), (191, 646875), (207, 596875), (225, 549125), (345, 358125), (375, 329475), (573, 215625), (575, 214875), (625, 197685), (955, 129375), (1035, 119375), (1125, 109825), (1719, 71875), (1725, 71625), (1875, 65895), (2865, 43125), (2875, 42975), (3125, 39537), (4393, 28125), (4775, 25875), (5175, 23875), (5625, 21965), (8595, 14375), (8625, 14325), (9375, 13179)]