210002779

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 255024000

約数和(自身を除く): 45021221

約数列:

[1, 7, 41, 49, 109, 137, 287, 343, 763, 959, 2009, 4469, 5341, 5617, 6713, 14063, 14933, 31283, 37387, 39319, 46991, 104531, 218981, 275233, 612253, 731717, 1532867, 1926631, 4285771, 5122019, 30000397, 210002779]

約数ペア:

[(1, 210002779), (7, 30000397), (41, 5122019), (49, 4285771), (109, 1926631), (137, 1532867), (287, 731717), (343, 612253), (763, 275233), (959, 218981), (2009, 104531), (4469, 46991), (5341, 39319), (5617, 37387), (6713, 31283), (14063, 14933)]