16308621

素因数分解:

$3^4\times 7^3\times {\mathrm{587}}^1$

素因数の和:620

約数の個数: 40

約数和(自身を含む): 28459200

約数和(自身を除く): 12150579

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 587, 1029, 1323, 1761, 3087, 3969, 4109, 5283, 9261, 12327, 15849, 27783, 28763, 36981, 47547, 86289, 110943, 201341, 258867, 332829, 604023, 776601, 1812069, 2329803, 5436207, 16308621]

約数ペア:

[(1, 16308621), (3, 5436207), (7, 2329803), (9, 1812069), (21, 776601), (27, 604023), (49, 332829), (63, 258867), (81, 201341), (147, 110943), (189, 86289), (343, 47547), (441, 36981), (567, 28763), (587, 27783), (1029, 15849), (1323, 12327), (1761, 9261), (3087, 5283), (3969, 4109)]