18038475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 39809952

約数和(自身を除く): 21771477

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 881, 975, 1365, 1575, 2275, 2643, 2925, 4095, 4405, 6167, 6825, 7929, 11453, 13215, 18501, 20475, 22025, 30835, 34359, 39645, 55503, 57265, 66075, 80171, 92505, 103077, 154175, 171795, 198225, 240513, 277515, 286325, 400855, 462525, 515385, 721539, 858975, 1202565, 1387575, 2004275, 2576925, 3607695, 6012825, 18038475]

約数ペア:

[(1, 18038475), (3, 6012825), (5, 3607695), (7, 2576925), (9, 2004275), (13, 1387575), (15, 1202565), (21, 858975), (25, 721539), (35, 515385), (39, 462525), (45, 400855), (63, 286325), (65, 277515), (75, 240513), (91, 198225), (105, 171795), (117, 154175), (175, 103077), (195, 92505), (225, 80171), (273, 66075), (315, 57265), (325, 55503), (455, 39645), (525, 34359), (585, 30835), (819, 22025), (881, 20475), (975, 18501), (1365, 13215), (1575, 11453), (2275, 7929), (2643, 6825), (2925, 6167), (4095, 4405)]