870814881

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:1055

約数の個数: 40

約数和(自身を含む): 1325487240

約数和(自身を除く): 454672359

約数列:

[1, 3, 9, 27, 81, 97, 137, 291, 411, 809, 873, 1233, 2427, 2619, 3699, 7281, 7857, 11097, 13289, 21843, 39867, 65529, 78473, 110833, 119601, 235419, 332499, 358803, 706257, 997497, 1076409, 2118771, 2992491, 6356313, 8977473, 10750801, 32252403, 96757209, 290271627, 870814881]

約数ペア:

[(1, 870814881), (3, 290271627), (9, 96757209), (27, 32252403), (81, 10750801), (97, 8977473), (137, 6356313), (291, 2992491), (411, 2118771), (809, 1076409), (873, 997497), (1233, 706257), (2427, 358803), (2619, 332499), (3699, 235419), (7281, 119601), (7857, 110833), (11097, 78473), (13289, 65529), (21843, 39867)]