290899203

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{757}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 459893760

約数和(自身を除く): 168994557

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 631, 757, 1893, 2271, 4417, 5299, 13251, 15897, 18299, 21953, 54897, 65859, 128093, 153671, 384279, 461013, 477667, 1433001, 3343669, 10031007, 13852343, 41557029, 96966401, 290899203]

約数ペア:

[(1, 290899203), (3, 96966401), (7, 41557029), (21, 13852343), (29, 10031007), (87, 3343669), (203, 1433001), (609, 477667), (631, 461013), (757, 384279), (1893, 153671), (2271, 128093), (4417, 65859), (5299, 54897), (13251, 21953), (15897, 18299)]