28005127965

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1\times {\mathrm{8951}}^1$

素因数の和:9490

約数の個数: 48

約数和(自身を含む): 48917022336

約数和(自身を除く): 20911894371

約数列:

[1, 3, 5, 9, 15, 45, 251, 277, 753, 831, 1255, 1385, 2259, 2493, 3765, 4155, 8951, 11295, 12465, 26853, 44755, 69527, 80559, 134265, 208581, 347635, 402795, 625743, 1042905, 2246701, 2479427, 3128715, 6740103, 7438281, 11233505, 12397135, 20220309, 22314843, 33700515, 37191405, 101101545, 111574215, 622336177, 1867008531, 3111680885, 5601025593, 9335042655, 28005127965]

約数ペア:

[(1, 28005127965), (3, 9335042655), (5, 5601025593), (9, 3111680885), (15, 1867008531), (45, 622336177), (251, 111574215), (277, 101101545), (753, 37191405), (831, 33700515), (1255, 22314843), (1385, 20220309), (2259, 12397135), (2493, 11233505), (3765, 7438281), (4155, 6740103), (8951, 3128715), (11295, 2479427), (12465, 2246701), (26853, 1042905), (44755, 625743), (69527, 402795), (80559, 347635), (134265, 208581)]