199985679

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{22651}}^1$

素因数の和:22772

約数の個数: 20

約数和(自身を含む): 301498120

約数和(自身を除く): 101512441

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 22651, 67953, 203859, 611577, 1834731, 2468959, 7406877, 22220631, 66661893, 199985679]

約数ペア:

[(1, 199985679), (3, 66661893), (9, 22220631), (27, 7406877), (81, 2468959), (109, 1834731), (327, 611577), (981, 203859), (2943, 67953), (8829, 22651)]