290496681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{907}}^1\times {\mathrm{1873}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 442413920

約数和(自身を除く): 151917239

約数列:

[1, 3, 9, 19, 57, 171, 907, 1873, 2721, 5619, 8163, 16857, 17233, 35587, 51699, 106761, 155097, 320283, 1698811, 5096433, 15289299, 32277409, 96832227, 290496681]

約数ペア:

[(1, 290496681), (3, 96832227), (9, 32277409), (19, 15289299), (57, 5096433), (171, 1698811), (907, 320283), (1873, 155097), (2721, 106761), (5619, 51699), (8163, 35587), (16857, 17233)]