1220085

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 2227680

約数和(自身を除く): 1007595

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 1427, 4281, 7135, 12843, 21405, 27113, 64215, 81339, 135565, 244017, 406695, 1220085]

約数ペア:

[(1, 1220085), (3, 406695), (5, 244017), (9, 135565), (15, 81339), (19, 64215), (45, 27113), (57, 21405), (95, 12843), (171, 7135), (285, 4281), (855, 1427)]