85480515

素因数分解:

$3^4\times 5^1\times {\mathrm{211063}}^1$

素因数の和:211080

約数の個数: 20

約数和(自身を含む): 153232464

約数和(自身を除く): 67751949

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 211063, 633189, 1055315, 1899567, 3165945, 5698701, 9497835, 17096103, 28493505, 85480515]

約数ペア:

[(1, 85480515), (3, 28493505), (5, 17096103), (9, 9497835), (15, 5698701), (27, 3165945), (45, 1899567), (81, 1055315), (135, 633189), (405, 211063)]