30719619

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1760

約数の個数: 36

約数和(自身を含む): 52907400

約数和(自身を除く): 22187781

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1699, 2009, 2583, 5097, 6027, 11893, 15291, 18081, 35679, 69659, 83251, 107037, 208977, 249753, 487613, 626931, 749259, 1462839, 3413291, 4388517, 10239873, 30719619]

約数ペア:

[(1, 30719619), (3, 10239873), (7, 4388517), (9, 3413291), (21, 1462839), (41, 749259), (49, 626931), (63, 487613), (123, 249753), (147, 208977), (287, 107037), (369, 83251), (441, 69659), (861, 35679), (1699, 18081), (2009, 15291), (2583, 11893), (5097, 6027)]