214920579

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4261}}^1$

素因数の和:4347

約数の個数: 32

約数和(自身を含む): 324048384

約数和(自身を除く): 109127805

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 391, 731, 989, 1173, 2193, 2967, 4261, 12783, 16813, 50439, 72437, 98003, 183223, 217311, 294009, 549669, 1666051, 3114791, 4214129, 4998153, 9344373, 12642387, 71640193, 214920579]

約数ペア:

[(1, 214920579), (3, 71640193), (17, 12642387), (23, 9344373), (43, 4998153), (51, 4214129), (69, 3114791), (129, 1666051), (391, 549669), (731, 294009), (989, 217311), (1173, 183223), (2193, 98003), (2967, 72437), (4261, 50439), (12783, 16813)]