13987295

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 20065824

約数和(自身を除く): 6078529

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1543, 1813, 7715, 9065, 10801, 54005, 57091, 75607, 285455, 378035, 399637, 1998185, 2797459, 13987295]

約数ペア:

[(1, 13987295), (5, 2797459), (7, 1998185), (35, 399637), (37, 378035), (49, 285455), (185, 75607), (245, 57091), (259, 54005), (1295, 10801), (1543, 9065), (1813, 7715)]