7978095

素因数分解:

$3^4\times 5^1\times {\mathrm{19699}}^1$

素因数の和:19716

約数の個数: 20

約数和(自身を含む): 14302200

約数和(自身を除く): 6324105

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 19699, 59097, 98495, 177291, 295485, 531873, 886455, 1595619, 2659365, 7978095]

約数ペア:

[(1, 7978095), (3, 2659365), (5, 1595619), (9, 886455), (15, 531873), (27, 295485), (45, 177291), (81, 98495), (135, 59097), (405, 19699)]