220471011

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{480329}}^1$

素因数の和:480355

約数の個数: 16

約数和(自身を含む): 345837600

約数和(自身を除く): 125366589

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 480329, 1440987, 4322961, 8165593, 12968883, 24496779, 73490337, 220471011]

約数ペア:

[(1, 220471011), (3, 73490337), (9, 24496779), (17, 12968883), (27, 8165593), (51, 4322961), (153, 1440987), (459, 480329)]