25611957

素因数分解:

$3^7\times 7^2\times {\mathrm{239}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 44870400

約数和(自身を除く): 19258443

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 239, 243, 441, 567, 717, 729, 1323, 1673, 1701, 2151, 2187, 3969, 5019, 5103, 6453, 11711, 11907, 15057, 15309, 19359, 35133, 35721, 45171, 58077, 105399, 107163, 135513, 174231, 316197, 406539, 522693, 948591, 1219617, 2845773, 3658851, 8537319, 25611957]

約数ペア:

[(1, 25611957), (3, 8537319), (7, 3658851), (9, 2845773), (21, 1219617), (27, 948591), (49, 522693), (63, 406539), (81, 316197), (147, 174231), (189, 135513), (239, 107163), (243, 105399), (441, 58077), (567, 45171), (717, 35721), (729, 35133), (1323, 19359), (1673, 15309), (1701, 15057), (2151, 11907), (2187, 11711), (3969, 6453), (5019, 5103)]