218362893

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{221239}}^1$

素因数の和:221296

約数の個数: 16

約数和(自身を含む): 339824640

約数和(自身を除く): 121461747

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 221239, 663717, 1548673, 4646019, 10398233, 31194699, 72787631, 218362893]

約数ペア:

[(1, 218362893), (3, 72787631), (7, 31194699), (21, 10398233), (47, 4646019), (141, 1548673), (329, 663717), (987, 221239)]