209885277

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{13099}}^1$

素因数の和:13225

約数の個数: 24

約数和(自身を含む): 328548000

約数和(自身を除く): 118662723

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 5341, 13099, 16023, 39297, 91693, 275079, 641851, 1427791, 1925553, 4283373, 9994537, 29983611, 69961759, 209885277]

約数ペア:

[(1, 209885277), (3, 69961759), (7, 29983611), (21, 9994537), (49, 4283373), (109, 1925553), (147, 1427791), (327, 641851), (763, 275079), (2289, 91693), (5341, 39297), (13099, 16023)]