42777987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3697}}^1$

素因数の和:3755

約数の個数: 32

約数和(自身を含む): 71001600

約数和(自身を除く): 28223613

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3697, 3857, 11091, 11571, 25879, 70243, 77637, 107213, 210729, 321639, 491701, 750491, 1475103, 2037047, 2251473, 6111141, 14259329, 42777987]

約数ペア:

[(1, 42777987), (3, 14259329), (7, 6111141), (19, 2251473), (21, 2037047), (29, 1475103), (57, 750491), (87, 491701), (133, 321639), (203, 210729), (399, 107213), (551, 77637), (609, 70243), (1653, 25879), (3697, 11571), (3857, 11091)]