18621165

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 30998016

約数和(自身を除く): 12376851

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 433, 705, 915, 1299, 2165, 2867, 6495, 8601, 14335, 20351, 26413, 43005, 61053, 79239, 101755, 132065, 305265, 396195, 1241411, 3724233, 6207055, 18621165]

約数ペア:

[(1, 18621165), (3, 6207055), (5, 3724233), (15, 1241411), (47, 396195), (61, 305265), (141, 132065), (183, 101755), (235, 79239), (305, 61053), (433, 43005), (705, 26413), (915, 20351), (1299, 14335), (2165, 8601), (2867, 6495)]