25608177

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 46632960

約数和(自身を除く): 21024783

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 129, 137, 161, 189, 207, 301, 387, 411, 483, 621, 903, 959, 989, 1161, 1233, 1449, 2709, 2877, 2967, 3151, 3699, 4347, 5891, 6923, 8127, 8631, 8901, 9453, 17673, 20769, 22057, 25893, 26703, 28359, 41237, 53019, 62307, 66171, 85077, 123711, 135493, 159057, 186921, 198513, 371133, 406479, 595539, 948451, 1113399, 1219437, 2845353, 3658311, 8536059, 25608177]

約数ペア:

[(1, 25608177), (3, 8536059), (7, 3658311), (9, 2845353), (21, 1219437), (23, 1113399), (27, 948451), (43, 595539), (63, 406479), (69, 371133), (129, 198513), (137, 186921), (161, 159057), (189, 135493), (207, 123711), (301, 85077), (387, 66171), (411, 62307), (483, 53019), (621, 41237), (903, 28359), (959, 26703), (989, 25893), (1161, 22057), (1233, 20769), (1449, 17673), (2709, 9453), (2877, 8901), (2967, 8631), (3151, 8127), (3699, 6923), (4347, 5891)]