42397875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 83131776

約数和(自身を除く): 40733901

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 169, 195, 223, 225, 325, 375, 507, 585, 669, 845, 975, 1115, 1125, 1521, 1625, 2007, 2535, 2899, 2925, 3345, 4225, 4875, 5575, 7605, 8697, 10035, 12675, 14495, 14625, 16725, 21125, 26091, 27875, 37687, 38025, 43485, 50175, 63375, 72475, 83625, 113061, 130455, 188435, 190125, 217425, 250875, 339183, 362375, 565305, 652275, 942175, 1087125, 1695915, 2826525, 3261375, 4710875, 8479575, 14132625, 42397875]

約数ペア:

[(1, 42397875), (3, 14132625), (5, 8479575), (9, 4710875), (13, 3261375), (15, 2826525), (25, 1695915), (39, 1087125), (45, 942175), (65, 652275), (75, 565305), (117, 362375), (125, 339183), (169, 250875), (195, 217425), (223, 190125), (225, 188435), (325, 130455), (375, 113061), (507, 83625), (585, 72475), (669, 63375), (845, 50175), (975, 43485), (1115, 38025), (1125, 37687), (1521, 27875), (1625, 26091), (2007, 21125), (2535, 16725), (2899, 14625), (2925, 14495), (3345, 12675), (4225, 10035), (4875, 8697), (5575, 7605)]