89820009

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{6803}}^1$

素因数の和:6978

約数の個数: 20

約数和(自身を含む): 135018576

約数和(自身を除く): 45198567

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 6803, 13203, 20409, 61227, 183681, 551043, 1108889, 3326667, 9980001, 29940003, 89820009]

約数ペア:

[(1, 89820009), (3, 29940003), (9, 9980001), (27, 3326667), (81, 1108889), (163, 551043), (489, 183681), (1467, 61227), (4401, 20409), (6803, 13203)]