220156839

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28411}}^1$

素因数の和:28468

約数の個数: 32

約数和(自身を含む): 381857280

約数和(自身を除く): 161700441

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 7749, 28411, 85233, 198877, 255699, 596631, 767097, 1164851, 1789893, 3494553, 5369679, 8153957, 10483659, 24461871, 31450977, 73385613, 220156839]

約数ペア:

[(1, 220156839), (3, 73385613), (7, 31450977), (9, 24461871), (21, 10483659), (27, 8153957), (41, 5369679), (63, 3494553), (123, 1789893), (189, 1164851), (287, 767097), (369, 596631), (861, 255699), (1107, 198877), (2583, 85233), (7749, 28411)]