221818833

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{3121}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 328746600

約数和(自身を除く): 106927767

約数列:

[1, 3, 9, 53, 149, 159, 447, 477, 1341, 3121, 7897, 9363, 23691, 28089, 71073, 165413, 465029, 496239, 1395087, 1488717, 4185261, 24646537, 73939611, 221818833]

約数ペア:

[(1, 221818833), (3, 73939611), (9, 24646537), (53, 4185261), (149, 1488717), (159, 1395087), (447, 496239), (477, 465029), (1341, 165413), (3121, 71073), (7897, 28089), (9363, 23691)]