381501

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 611520

約数和(自身を除く): 230019

約数列:

[1, 3, 9, 19, 23, 57, 69, 97, 171, 207, 291, 437, 873, 1311, 1843, 2231, 3933, 5529, 6693, 16587, 20079, 42389, 127167, 381501]

約数ペア:

[(1, 381501), (3, 127167), (9, 42389), (19, 20079), (23, 16587), (57, 6693), (69, 5529), (97, 3933), (171, 2231), (207, 1843), (291, 1311), (437, 873)]