278317227

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{39161}}^1$

素因数の和:39290

約数の個数: 16

約数和(自身を含む): 390993408

約数和(自身を除く): 112676181

約数列:

[1, 3, 23, 69, 103, 309, 2369, 7107, 39161, 117483, 900703, 2702109, 4033583, 12100749, 92772409, 278317227]

約数ペア:

[(1, 278317227), (3, 92772409), (23, 12100749), (69, 4033583), (103, 2702109), (309, 900703), (2369, 117483), (7107, 39161)]