3225015

素因数分解:

$3^4\times 5^1\times {\mathrm{7963}}^1$

素因数の和:7980

約数の個数: 20

約数和(自身を含む): 5781864

約数和(自身を除く): 2556849

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7963, 23889, 39815, 71667, 119445, 215001, 358335, 645003, 1075005, 3225015]

約数ペア:

[(1, 3225015), (3, 1075005), (5, 645003), (9, 358335), (15, 215001), (27, 119445), (45, 71667), (81, 39815), (135, 23889), (405, 7963)]