251451

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 16

約数和(自身を含む): 380800

約数和(自身を除く): 129349

約数列:

[1, 3, 9, 27, 67, 139, 201, 417, 603, 1251, 1809, 3753, 9313, 27939, 83817, 251451]

約数ペア:

[(1, 251451), (3, 83817), (9, 27939), (27, 9313), (67, 3753), (139, 1809), (201, 1251), (417, 603)]