520029747

素因数分解:

$3^3\times {\mathrm{23}}^3\times {\mathrm{1583}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 805939200

約数和(自身を除く): 285909453

約数列:

[1, 3, 9, 23, 27, 69, 207, 529, 621, 1583, 1587, 4749, 4761, 12167, 14247, 14283, 36409, 36501, 42741, 109227, 109503, 327681, 328509, 837407, 983043, 2512221, 7536663, 19260361, 22609989, 57781083, 173343249, 520029747]

約数ペア:

[(1, 520029747), (3, 173343249), (9, 57781083), (23, 22609989), (27, 19260361), (69, 7536663), (207, 2512221), (529, 983043), (621, 837407), (1583, 328509), (1587, 327681), (4749, 109503), (4761, 109227), (12167, 42741), (14247, 36501), (14283, 36409)]