31964415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 60088032

約数和(自身を除く): 28123617

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 245, 277, 471, 735, 785, 831, 1099, 1385, 1939, 2355, 3297, 4155, 5495, 5817, 7693, 9695, 13573, 16485, 23079, 29085, 38465, 40719, 43489, 67865, 115395, 130467, 203595, 217445, 304423, 652335, 913269, 1522115, 2130961, 4566345, 6392883, 10654805, 31964415]

約数ペア:

[(1, 31964415), (3, 10654805), (5, 6392883), (7, 4566345), (15, 2130961), (21, 1522115), (35, 913269), (49, 652335), (105, 304423), (147, 217445), (157, 203595), (245, 130467), (277, 115395), (471, 67865), (735, 43489), (785, 40719), (831, 38465), (1099, 29085), (1385, 23079), (1939, 16485), (2355, 13573), (3297, 9695), (4155, 7693), (5495, 5817)]