1320786

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 40

約数和(自身を含む): 3066624

約数和(自身を除く): 1745838

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 263, 279, 526, 558, 789, 837, 1578, 1674, 2367, 2511, 4734, 5022, 7101, 8153, 14202, 16306, 21303, 24459, 42606, 48918, 73377, 146754, 220131, 440262, 660393, 1320786]

約数ペア:

[(1, 1320786), (2, 660393), (3, 440262), (6, 220131), (9, 146754), (18, 73377), (27, 48918), (31, 42606), (54, 24459), (62, 21303), (81, 16306), (93, 14202), (162, 8153), (186, 7101), (263, 5022), (279, 4734), (526, 2511), (558, 2367), (789, 1674), (837, 1578)]