9981090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{5281}}^1$

素因数の和:5304

約数の個数: 64

約数和(自身を含む): 30424320

約数和(自身を除く): 20443230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 5281, 10562, 15843, 26405, 31686, 36967, 47529, 52810, 73934, 79215, 95058, 110901, 142587, 158430, 184835, 221802, 237645, 285174, 332703, 369670, 475290, 554505, 665406, 712935, 998109, 1109010, 1425870, 1663515, 1996218, 3327030, 4990545, 9981090]

約数ペア:

[(1, 9981090), (2, 4990545), (3, 3327030), (5, 1996218), (6, 1663515), (7, 1425870), (9, 1109010), (10, 998109), (14, 712935), (15, 665406), (18, 554505), (21, 475290), (27, 369670), (30, 332703), (35, 285174), (42, 237645), (45, 221802), (54, 184835), (63, 158430), (70, 142587), (90, 110901), (105, 95058), (126, 79215), (135, 73934), (189, 52810), (210, 47529), (270, 36967), (315, 31686), (378, 26405), (630, 15843), (945, 10562), (1890, 5281)]