81304825

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5881}}^1$

素因数の和:5977

約数の個数: 24

約数和(自身を含む): 116698880

約数和(自身を除く): 35394055

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1975, 2765, 5881, 13825, 29405, 41167, 147025, 205835, 464599, 1029175, 2322995, 3252193, 11614975, 16260965, 81304825]

約数ペア:

[(1, 81304825), (5, 16260965), (7, 11614975), (25, 3252193), (35, 2322995), (79, 1029175), (175, 464599), (395, 205835), (553, 147025), (1975, 41167), (2765, 29405), (5881, 13825)]