2051472015

素因数分解:

$3^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7829}}^1$

素因数の和:8493

約数の個数: 40

約数和(自身を含む): 3683607840

約数和(自身を除く): 1632135825

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 647, 1941, 3235, 5823, 7829, 9705, 17469, 23487, 29115, 39145, 52407, 70461, 87345, 117435, 211383, 262035, 352305, 634149, 1056915, 3170745, 5065363, 15196089, 25326815, 45588267, 75980445, 136764801, 227941335, 410294403, 683824005, 2051472015]

約数ペア:

[(1, 2051472015), (3, 683824005), (5, 410294403), (9, 227941335), (15, 136764801), (27, 75980445), (45, 45588267), (81, 25326815), (135, 15196089), (405, 5065363), (647, 3170745), (1941, 1056915), (3235, 634149), (5823, 352305), (7829, 262035), (9705, 211383), (17469, 117435), (23487, 87345), (29115, 70461), (39145, 52407)]