11581875

素因数分解:

$3^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 60

約数和(自身を含む): 21930480

約数和(自身を除く): 10348605

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, 3195, 3625, 5325, 5625, 6177, 6525, 8875, 10295, 10875, 15975, 18125, 18531, 26625, 30885, 32625, 44375, 51475, 54375, 79875, 92655, 133125, 154425, 163125, 257375, 399375, 463275, 772125, 1286875, 2316375, 3860625, 11581875]

約数ペア:

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