31065489

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 56015232

約数和(自身を除く): 24949743

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 83, 91, 117, 249, 273, 457, 581, 747, 819, 1079, 1371, 1743, 3199, 3237, 4113, 5229, 5941, 7553, 9597, 9711, 17823, 22659, 28791, 37931, 41587, 53469, 67977, 113793, 124761, 265517, 341379, 374283, 493103, 796551, 1479309, 2389653, 3451721, 4437927, 10355163, 31065489]

約数ペア:

[(1, 31065489), (3, 10355163), (7, 4437927), (9, 3451721), (13, 2389653), (21, 1479309), (39, 796551), (63, 493103), (83, 374283), (91, 341379), (117, 265517), (249, 124761), (273, 113793), (457, 67977), (581, 53469), (747, 41587), (819, 37931), (1079, 28791), (1371, 22659), (1743, 17823), (3199, 9711), (3237, 9597), (4113, 7553), (5229, 5941)]