217410825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5261}}^1$

素因数の和:5322

約数の個数: 48

約数和(自身を含む): 391492800

約数和(自身を除く): 174081975

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 475, 551, 725, 1425, 1653, 2175, 2755, 5261, 8265, 13775, 15783, 26305, 41325, 78915, 99959, 131525, 152569, 299877, 394575, 457707, 499795, 762845, 1499385, 2288535, 2498975, 2898811, 3814225, 7496925, 8696433, 11442675, 14494055, 43482165, 72470275, 217410825]

約数ペア:

[(1, 217410825), (3, 72470275), (5, 43482165), (15, 14494055), (19, 11442675), (25, 8696433), (29, 7496925), (57, 3814225), (75, 2898811), (87, 2498975), (95, 2288535), (145, 1499385), (285, 762845), (435, 499795), (475, 457707), (551, 394575), (725, 299877), (1425, 152569), (1653, 131525), (2175, 99959), (2755, 78915), (5261, 41325), (8265, 26305), (13775, 15783)]