408291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 24

約数和(自身を含む): 640080

約数和(自身を除く): 231789

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 361, 377, 551, 741, 1083, 1131, 1653, 4693, 7163, 10469, 14079, 21489, 31407, 136097, 408291]

約数ペア:

[(1, 408291), (3, 136097), (13, 31407), (19, 21489), (29, 14079), (39, 10469), (57, 7163), (87, 4693), (247, 1653), (361, 1131), (377, 1083), (551, 741)]