31820387193

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{775861}}^1$

素因数の和:775915

約数の個数: 48

約数和(自身を含む): 56606891520

約数和(自身を除く): 24786504327

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 651, 837, 1323, 1519, 1953, 4557, 5859, 13671, 41013, 775861, 2327583, 5431027, 6982749, 16293081, 20948247, 24051691, 38017189, 48879243, 72155073, 114051567, 146637729, 168361837, 216465219, 342154701, 505085511, 649395657, 1026464103, 1178532859, 1515256533, 3535598577, 4545769599, 10606795731, 31820387193]

約数ペア:

[(1, 31820387193), (3, 10606795731), (7, 4545769599), (9, 3535598577), (21, 1515256533), (27, 1178532859), (31, 1026464103), (49, 649395657), (63, 505085511), (93, 342154701), (147, 216465219), (189, 168361837), (217, 146637729), (279, 114051567), (441, 72155073), (651, 48879243), (837, 38017189), (1323, 24051691), (1519, 20948247), (1953, 16293081), (4557, 6982749), (5859, 5431027), (13671, 2327583), (41013, 775861)]