57909375

素因数分解:

$3^2\times 5^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 109680480

約数和(自身を除く): 51771105

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 71, 75, 87, 125, 145, 213, 225, 261, 355, 375, 435, 625, 639, 725, 1065, 1125, 1305, 1775, 1875, 2059, 2175, 3125, 3195, 3625, 5325, 5625, 6177, 6525, 8875, 9375, 10295, 10875, 15975, 18125, 18531, 26625, 28125, 30885, 32625, 44375, 51475, 54375, 79875, 90625, 92655, 133125, 154425, 163125, 221875, 257375, 271875, 399375, 463275, 665625, 772125, 815625, 1286875, 1996875, 2316375, 3860625, 6434375, 11581875, 19303125, 57909375]

約数ペア:

[(1, 57909375), (3, 19303125), (5, 11581875), (9, 6434375), (15, 3860625), (25, 2316375), (29, 1996875), (45, 1286875), (71, 815625), (75, 772125), (87, 665625), (125, 463275), (145, 399375), (213, 271875), (225, 257375), (261, 221875), (355, 163125), (375, 154425), (435, 133125), (625, 92655), (639, 90625), (725, 79875), (1065, 54375), (1125, 51475), (1305, 44375), (1775, 32625), (1875, 30885), (2059, 28125), (2175, 26625), (3125, 18531), (3195, 18125), (3625, 15975), (5325, 10875), (5625, 10295), (6177, 9375), (6525, 8875)]