90403209

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{85853}}^1$

素因数の和:85878

約数の個数: 20

約数和(自身を含む): 145436676

約数和(自身を除く): 55033467

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 85853, 257559, 772677, 1116089, 2318031, 3348267, 6954093, 10044801, 30134403, 90403209]

約数ペア:

[(1, 90403209), (3, 30134403), (9, 10044801), (13, 6954093), (27, 3348267), (39, 2318031), (81, 1116089), (117, 772677), (351, 257559), (1053, 85853)]