221224731

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27943}}^1$

素因数の和:27995

約数の個数: 32

約数和(自身を含む): 375567360

約数和(自身を除く): 154342629

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 27943, 83829, 195601, 363259, 586803, 810347, 1089777, 2431041, 2542813, 5672429, 7628439, 10534511, 17017287, 31603533, 73741577, 221224731]

約数ペア:

[(1, 221224731), (3, 73741577), (7, 31603533), (13, 17017287), (21, 10534511), (29, 7628439), (39, 5672429), (87, 2542813), (91, 2431041), (203, 1089777), (273, 810347), (377, 586803), (609, 363259), (1131, 195601), (2639, 83829), (7917, 27943)]