31521906

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 76487040

約数和(自身を除く): 44965134

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 83, 117, 166, 234, 249, 351, 498, 541, 702, 747, 1079, 1082, 1494, 1623, 2158, 2241, 3237, 3246, 4482, 4869, 6474, 7033, 9711, 9738, 14066, 14607, 19422, 21099, 29133, 29214, 42198, 44903, 58266, 63297, 89806, 126594, 134709, 189891, 269418, 379782, 404127, 583739, 808254, 1167478, 1212381, 1751217, 2424762, 3502434, 5253651, 10507302, 15760953, 31521906]

約数ペア:

[(1, 31521906), (2, 15760953), (3, 10507302), (6, 5253651), (9, 3502434), (13, 2424762), (18, 1751217), (26, 1212381), (27, 1167478), (39, 808254), (54, 583739), (78, 404127), (83, 379782), (117, 269418), (166, 189891), (234, 134709), (249, 126594), (351, 89806), (498, 63297), (541, 58266), (702, 44903), (747, 42198), (1079, 29214), (1082, 29133), (1494, 21099), (1623, 19422), (2158, 14607), (2241, 14066), (3237, 9738), (3246, 9711), (4482, 7033), (4869, 6474)]