31306989

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 49029120

約数和(自身を除く): 17722131

約数列:

[1, 3, 7, 21, 79, 113, 167, 237, 339, 501, 553, 791, 1169, 1659, 2373, 3507, 8927, 13193, 18871, 26781, 39579, 56613, 62489, 92351, 132097, 187467, 277053, 396291, 1490809, 4472427, 10435663, 31306989]

約数ペア:

[(1, 31306989), (3, 10435663), (7, 4472427), (21, 1490809), (79, 396291), (113, 277053), (167, 187467), (237, 132097), (339, 92351), (501, 62489), (553, 56613), (791, 39579), (1169, 26781), (1659, 18871), (2373, 13193), (3507, 8927)]