69857025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 132753408

約数和(自身を除く): 62896383

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 271, 491, 525, 813, 1355, 1473, 1897, 2455, 3437, 4065, 5691, 6775, 7365, 9485, 10311, 12275, 17185, 20325, 28455, 36825, 47425, 51555, 85925, 133061, 142275, 257775, 399183, 665305, 931427, 1995915, 2794281, 3326525, 4657135, 9979575, 13971405, 23285675, 69857025]

約数ペア:

[(1, 69857025), (3, 23285675), (5, 13971405), (7, 9979575), (15, 4657135), (21, 3326525), (25, 2794281), (35, 1995915), (75, 931427), (105, 665305), (175, 399183), (271, 257775), (491, 142275), (525, 133061), (813, 85925), (1355, 51555), (1473, 47425), (1897, 36825), (2455, 28455), (3437, 20325), (4065, 17185), (5691, 12275), (6775, 10311), (7365, 9485)]