287683977

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{8389}}^1$

素因数の和:8493

約数の個数: 32

約数和(自身を含む): 463933440

約数和(自身を除く): 176249463

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 483, 497, 1491, 1633, 4899, 8389, 11431, 25167, 34293, 58723, 176169, 192947, 578841, 595619, 1350629, 1786857, 4051887, 4169333, 12507999, 13699237, 41097711, 95894659, 287683977]

約数ペア:

[(1, 287683977), (3, 95894659), (7, 41097711), (21, 13699237), (23, 12507999), (69, 4169333), (71, 4051887), (161, 1786857), (213, 1350629), (483, 595619), (497, 578841), (1491, 192947), (1633, 176169), (4899, 58723), (8389, 34293), (11431, 25167)]