211313921

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1667}}^1$

素因数の和:1893

約数の個数: 24

約数和(自身を含む): 266212800

約数和(自身を除く): 54898879

約数列:

[1, 7, 13, 49, 91, 199, 637, 1393, 1667, 2587, 9751, 11669, 18109, 21671, 81683, 126763, 151697, 331733, 1061879, 2322131, 4312529, 16254917, 30187703, 211313921]

約数ペア:

[(1, 211313921), (7, 30187703), (13, 16254917), (49, 4312529), (91, 2322131), (199, 1061879), (637, 331733), (1393, 151697), (1667, 126763), (2587, 81683), (9751, 21671), (11669, 18109)]