27881607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 14696313

約数列:

[1, 3, 13, 19, 39, 57, 191, 197, 247, 573, 591, 741, 2483, 2561, 3629, 3743, 7449, 7683, 10887, 11229, 37627, 47177, 48659, 112881, 141531, 145977, 489151, 714913, 1467453, 2144739, 9293869, 27881607]

約数ペア:

[(1, 27881607), (3, 9293869), (13, 2144739), (19, 1467453), (39, 714913), (57, 489151), (191, 145977), (197, 141531), (247, 112881), (573, 48659), (591, 47177), (741, 37627), (2483, 11229), (2561, 10887), (3629, 7683), (3743, 7449)]