210249991

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{14503}}^1$

素因数の和:14638

約数の個数: 16

約数和(自身を含む): 255270400

約数和(自身を除く): 45020409

約数列:

[1, 7, 19, 109, 133, 763, 2071, 14497, 14503, 101521, 275557, 1580827, 1928899, 11065789, 30035713, 210249991]

約数ペア:

[(1, 210249991), (7, 30035713), (19, 11065789), (109, 1928899), (133, 1580827), (763, 275557), (2071, 101521), (14497, 14503)]