28622223

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1583}}^1$

素因数の和:1644

約数の個数: 36

約数和(自身を含む): 49297248

約数和(自身を除く): 20675025

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1583, 2009, 2583, 4749, 6027, 11081, 14247, 18081, 33243, 64903, 77567, 99729, 194709, 232701, 454321, 584127, 698103, 1362963, 3180247, 4088889, 9540741, 28622223]

約数ペア:

[(1, 28622223), (3, 9540741), (7, 4088889), (9, 3180247), (21, 1362963), (41, 698103), (49, 584127), (63, 454321), (123, 232701), (147, 194709), (287, 99729), (369, 77567), (441, 64903), (861, 33243), (1583, 18081), (2009, 14247), (2583, 11081), (4749, 6027)]