31018221

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 50144640

約数和(自身を除く): 19126419

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1091, 2187, 3159, 3273, 9477, 9819, 14183, 28431, 29457, 42549, 88371, 127647, 265113, 382941, 795339, 1148823, 2386017, 3446469, 10339407, 31018221]

約数ペア:

[(1, 31018221), (3, 10339407), (9, 3446469), (13, 2386017), (27, 1148823), (39, 795339), (81, 382941), (117, 265113), (243, 127647), (351, 88371), (729, 42549), (1053, 29457), (1091, 28431), (2187, 14183), (3159, 9819), (3273, 9477)]