221208318

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{722903}}^1$

素因数の和:722928

約数の個数: 24

約数和(自身を含む): 507478608

約数和(自身を除く): 286270290

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 722903, 1445806, 2168709, 4337418, 6506127, 12289351, 13012254, 24578702, 36868053, 73736106, 110604159, 221208318]

約数ペア:

[(1, 221208318), (2, 110604159), (3, 73736106), (6, 36868053), (9, 24578702), (17, 13012254), (18, 12289351), (34, 6506127), (51, 4337418), (102, 2168709), (153, 1445806), (306, 722903)]