178897329

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 56

約数和(自身を含む): 296246720

約数和(自身を除く): 117349391

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 243, 351, 387, 439, 559, 729, 1053, 1161, 1317, 1677, 3159, 3483, 3951, 5031, 5707, 9477, 10449, 11853, 15093, 17121, 18877, 31347, 35559, 45279, 51363, 56631, 106677, 135837, 154089, 169893, 245401, 320031, 407511, 462267, 509679, 736203, 1386801, 1529037, 2208609, 4160403, 4587111, 6625827, 13761333, 19877481, 59632443, 178897329]

約数ペア:

[(1, 178897329), (3, 59632443), (9, 19877481), (13, 13761333), (27, 6625827), (39, 4587111), (43, 4160403), (81, 2208609), (117, 1529037), (129, 1386801), (243, 736203), (351, 509679), (387, 462267), (439, 407511), (559, 320031), (729, 245401), (1053, 169893), (1161, 154089), (1317, 135837), (1677, 106677), (3159, 56631), (3483, 51363), (3951, 45279), (5031, 35559), (5707, 31347), (9477, 18877), (10449, 17121), (11853, 15093)]