253883361

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 360622080

約数和(自身を除く): 106738719

約数列:

[1, 3, 23, 69, 103, 139, 257, 309, 417, 771, 2369, 3197, 5911, 7107, 9591, 14317, 17733, 26471, 35723, 42951, 79413, 107169, 329291, 608833, 821629, 987873, 1826499, 2464887, 3679469, 11038407, 84627787, 253883361]

約数ペア:

[(1, 253883361), (3, 84627787), (23, 11038407), (69, 3679469), (103, 2464887), (139, 1826499), (257, 987873), (309, 821629), (417, 608833), (771, 329291), (2369, 107169), (3197, 79413), (5911, 42951), (7107, 35723), (9591, 26471), (14317, 17733)]