25002537

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 40427520

約数和(自身を除く): 15424983

約数列:

[1, 3, 7, 19, 21, 57, 133, 223, 281, 399, 669, 843, 1561, 1967, 4237, 4683, 5339, 5901, 12711, 16017, 29659, 37373, 62663, 88977, 112119, 187989, 438641, 1190597, 1315923, 3571791, 8334179, 25002537]

約数ペア:

[(1, 25002537), (3, 8334179), (7, 3571791), (19, 1315923), (21, 1190597), (57, 438641), (133, 187989), (223, 112119), (281, 88977), (399, 62663), (669, 37373), (843, 29659), (1561, 16017), (1967, 12711), (4237, 5901), (4683, 5339)]