31995369

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 56070144

約数和(自身を除く): 24074775

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 311, 483, 497, 639, 933, 1449, 1491, 1633, 2177, 2799, 4473, 4899, 6531, 7153, 11431, 14697, 19593, 21459, 22081, 34293, 50071, 64377, 66243, 102879, 150213, 154567, 198729, 450639, 463701, 507863, 1391103, 1523589, 3555041, 4570767, 10665123, 31995369]

約数ペア:

[(1, 31995369), (3, 10665123), (7, 4570767), (9, 3555041), (21, 1523589), (23, 1391103), (63, 507863), (69, 463701), (71, 450639), (161, 198729), (207, 154567), (213, 150213), (311, 102879), (483, 66243), (497, 64377), (639, 50071), (933, 34293), (1449, 22081), (1491, 21459), (1633, 19593), (2177, 14697), (2799, 11431), (4473, 7153), (4899, 6531)]