74131875

素因数分解:

$3^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 143953920

約数和(自身を除く): 69822045

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 125, 135, 191, 207, 225, 345, 375, 573, 575, 621, 625, 675, 955, 1035, 1125, 1719, 1725, 1875, 2865, 2875, 3105, 3375, 4393, 4775, 5157, 5175, 5625, 8595, 8625, 13179, 14325, 14375, 15525, 16875, 21965, 23875, 25785, 25875, 39537, 42975, 43125, 65895, 71625, 77625, 109825, 118611, 119375, 128925, 129375, 197685, 214875, 329475, 358125, 388125, 549125, 593055, 644625, 988425, 1074375, 1647375, 2745625, 2965275, 3223125, 4942125, 8236875, 14826375, 24710625, 74131875]

約数ペア:

[(1, 74131875), (3, 24710625), (5, 14826375), (9, 8236875), (15, 4942125), (23, 3223125), (25, 2965275), (27, 2745625), (45, 1647375), (69, 1074375), (75, 988425), (115, 644625), (125, 593055), (135, 549125), (191, 388125), (207, 358125), (225, 329475), (345, 214875), (375, 197685), (573, 129375), (575, 128925), (621, 119375), (625, 118611), (675, 109825), (955, 77625), (1035, 71625), (1125, 65895), (1719, 43125), (1725, 42975), (1875, 39537), (2865, 25875), (2875, 25785), (3105, 23875), (3375, 21965), (4393, 16875), (4775, 15525), (5157, 14375), (5175, 14325), (5625, 13179), (8595, 8625)]