201721458

素因数分解:

$2^1\times 3^1\times {\mathrm{491}}^1\times {\mathrm{68473}}^1$

素因数の和:68969

約数の個数: 16

約数和(自身を含む): 404270496

約数和(自身を除く): 202549038

約数列:

[1, 2, 3, 6, 491, 982, 1473, 2946, 68473, 136946, 205419, 410838, 33620243, 67240486, 100860729, 201721458]

約数ペア:

[(1, 201721458), (2, 100860729), (3, 67240486), (6, 33620243), (491, 410838), (982, 205419), (1473, 136946), (2946, 68473)]