138540945

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{61987}}^1$

素因数の和:62144

約数の個数: 16

約数和(自身を含む): 223156800

約数和(自身を除く): 84615855

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 61987, 185961, 309935, 929805, 9236063, 27708189, 46180315, 138540945]

約数ペア:

[(1, 138540945), (3, 46180315), (5, 27708189), (15, 9236063), (149, 929805), (447, 309935), (745, 185961), (2235, 61987)]