855140139

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{156019}}^1$

素因数の和:156064

約数の個数: 32

約数和(自身を含む): 1497792000

約数和(自身を除く): 642651861

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 156019, 468057, 1092133, 1404171, 3276399, 4212513, 4524551, 9829197, 13573653, 29487591, 31671857, 40720959, 95015571, 122162877, 285046713, 855140139]

約数ペア:

[(1, 855140139), (3, 285046713), (7, 122162877), (9, 95015571), (21, 40720959), (27, 31671857), (29, 29487591), (63, 13573653), (87, 9829197), (189, 4524551), (203, 4212513), (261, 3276399), (609, 1404171), (783, 1092133), (1827, 468057), (5481, 156019)]