81831348

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^2\times {\mathrm{653}}^1$

素因数の和:781

約数の個数: 54

約数和(自身を含む): 210739074

約数和(自身を除く): 128907726

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 653, 708, 1062, 1306, 1959, 2124, 2612, 3481, 3918, 5877, 6962, 7836, 10443, 11754, 13924, 20886, 23508, 31329, 38527, 41772, 62658, 77054, 115581, 125316, 154108, 231162, 346743, 462324, 693486, 1386972, 2273093, 4546186, 6819279, 9092372, 13638558, 20457837, 27277116, 40915674, 81831348]

約数ペア:

[(1, 81831348), (2, 40915674), (3, 27277116), (4, 20457837), (6, 13638558), (9, 9092372), (12, 6819279), (18, 4546186), (36, 2273093), (59, 1386972), (118, 693486), (177, 462324), (236, 346743), (354, 231162), (531, 154108), (653, 125316), (708, 115581), (1062, 77054), (1306, 62658), (1959, 41772), (2124, 38527), (2612, 31329), (3481, 23508), (3918, 20886), (5877, 13924), (6962, 11754), (7836, 10443)]