217408041

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 341452800

約数和(自身を除く): 124044759

約数列:

[1, 3, 9, 29, 37, 47, 87, 111, 141, 261, 333, 423, 479, 1073, 1363, 1437, 1739, 3219, 4089, 4311, 5217, 9657, 12267, 13891, 15651, 17723, 22513, 41673, 50431, 53169, 67539, 125019, 151293, 159507, 202617, 453879, 513967, 652877, 832981, 1541901, 1958631, 2498943, 4625703, 5875893, 7496829, 24156449, 72469347, 217408041]

約数ペア:

[(1, 217408041), (3, 72469347), (9, 24156449), (29, 7496829), (37, 5875893), (47, 4625703), (87, 2498943), (111, 1958631), (141, 1541901), (261, 832981), (333, 652877), (423, 513967), (479, 453879), (1073, 202617), (1363, 159507), (1437, 151293), (1739, 125019), (3219, 67539), (4089, 53169), (4311, 50431), (5217, 41673), (9657, 22513), (12267, 17723), (13891, 15651)]