25663239

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 44928000

約数和(自身を除く): 19264761

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 89, 161, 199, 207, 267, 483, 597, 623, 801, 1393, 1449, 1791, 1869, 2047, 4179, 4577, 5607, 6141, 12537, 13731, 14329, 17711, 18423, 32039, 41193, 42987, 53133, 96117, 123977, 128961, 159399, 288351, 371931, 407353, 1115793, 1222059, 2851471, 3666177, 8554413, 25663239]

約数ペア:

[(1, 25663239), (3, 8554413), (7, 3666177), (9, 2851471), (21, 1222059), (23, 1115793), (63, 407353), (69, 371931), (89, 288351), (161, 159399), (199, 128961), (207, 123977), (267, 96117), (483, 53133), (597, 42987), (623, 41193), (801, 32039), (1393, 18423), (1449, 17711), (1791, 14329), (1869, 13731), (2047, 12537), (4179, 6141), (4577, 5607)]