49005405

素因数分解:

$3^4\times 5^1\times {\mathrm{121001}}^1$

素因数の和:121018

約数の個数: 20

約数和(自身を含む): 87847452

約数和(自身を除く): 38842047

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 121001, 363003, 605005, 1089009, 1815015, 3267027, 5445045, 9801081, 16335135, 49005405]

約数ペア:

[(1, 49005405), (3, 16335135), (5, 9801081), (9, 5445045), (15, 3267027), (27, 1815015), (45, 1089009), (81, 605005), (135, 363003), (405, 121001)]