641028615

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{2027}}^1$

素因数の和:2791

約数の個数: 32

約数和(自身を含む): 1062996480

約数和(自身を除く): 421967865

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 727, 2027, 2181, 3635, 6081, 10135, 10905, 21083, 30405, 58783, 63249, 105415, 176349, 293915, 316245, 881745, 1473629, 4420887, 7368145, 22104435, 42735241, 128205723, 213676205, 641028615]

約数ペア:

[(1, 641028615), (3, 213676205), (5, 128205723), (15, 42735241), (29, 22104435), (87, 7368145), (145, 4420887), (435, 1473629), (727, 881745), (2027, 316245), (2181, 293915), (3635, 176349), (6081, 105415), (10135, 63249), (10905, 58783), (21083, 30405)]