290426829

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{5009}}^1$

素因数の和:5281

約数の個数: 32

約数和(自身を含む): 484807680

約数和(自身を除く): 194380851

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 251, 753, 1757, 2761, 5009, 5271, 8283, 15027, 19327, 35063, 55099, 57981, 105189, 165297, 385693, 1157079, 1257259, 3771777, 8800813, 13829849, 26402439, 41489547, 96808943, 290426829]

約数ペア:

[(1, 290426829), (3, 96808943), (7, 41489547), (11, 26402439), (21, 13829849), (33, 8800813), (77, 3771777), (231, 1257259), (251, 1157079), (753, 385693), (1757, 165297), (2761, 105189), (5009, 57981), (5271, 55099), (8283, 35063), (15027, 19327)]