655290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{809}}^1$

素因数の和:828

約数の個数: 40

約数和(自身を含む): 1764180

約数和(自身を除く): 1108890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 809, 810, 1618, 2427, 4045, 4854, 7281, 8090, 12135, 14562, 21843, 24270, 36405, 43686, 65529, 72810, 109215, 131058, 218430, 327645, 655290]

約数ペア:

[(1, 655290), (2, 327645), (3, 218430), (5, 131058), (6, 109215), (9, 72810), (10, 65529), (15, 43686), (18, 36405), (27, 24270), (30, 21843), (45, 14562), (54, 12135), (81, 8090), (90, 7281), (135, 4854), (162, 4045), (270, 2427), (405, 1618), (809, 810)]