23387385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 45207936

約数和(自身を除く): 21820551

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 617, 665, 1083, 1805, 1851, 1995, 2527, 3085, 4319, 5415, 7581, 9255, 11723, 12635, 12957, 21595, 35169, 37905, 58615, 64785, 82061, 175845, 222737, 246183, 410305, 668211, 1113685, 1230915, 1559159, 3341055, 4677477, 7795795, 23387385]

約数ペア:

[(1, 23387385), (3, 7795795), (5, 4677477), (7, 3341055), (15, 1559159), (19, 1230915), (21, 1113685), (35, 668211), (57, 410305), (95, 246183), (105, 222737), (133, 175845), (285, 82061), (361, 64785), (399, 58615), (617, 37905), (665, 35169), (1083, 21595), (1805, 12957), (1851, 12635), (1995, 11723), (2527, 9255), (3085, 7581), (4319, 5415)]