31041129

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 17619351

約数列:

[1, 3, 7, 21, 71, 109, 191, 213, 327, 497, 573, 763, 1337, 1491, 2289, 4011, 7739, 13561, 20819, 23217, 40683, 54173, 62457, 94927, 145733, 162519, 284781, 437199, 1478149, 4434447, 10347043, 31041129]

約数ペア:

[(1, 31041129), (3, 10347043), (7, 4434447), (21, 1478149), (71, 437199), (109, 284781), (191, 162519), (213, 145733), (327, 94927), (497, 62457), (573, 54173), (763, 40683), (1337, 23217), (1491, 20819), (2289, 13561), (4011, 7739)]