25237107

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 36

約数和(自身を含む): 42948360

約数和(自身を除く): 17711253

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 643, 801, 1869, 1929, 4361, 4501, 5607, 5787, 13083, 13503, 31507, 39249, 40509, 57227, 94521, 171681, 283563, 400589, 515043, 1201767, 2804123, 3605301, 8412369, 25237107]

約数ペア:

[(1, 25237107), (3, 8412369), (7, 3605301), (9, 2804123), (21, 1201767), (49, 515043), (63, 400589), (89, 283563), (147, 171681), (267, 94521), (441, 57227), (623, 40509), (643, 39249), (801, 31507), (1869, 13503), (1929, 13083), (4361, 5787), (4501, 5607)]