25120137

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 40402944

約数和(自身を除く): 15282807

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 821, 987, 1457, 2463, 4371, 5747, 10199, 17241, 25451, 30597, 38587, 76353, 115761, 178157, 270109, 534471, 810327, 1196197, 3588591, 8373379, 25120137]

約数ペア:

[(1, 25120137), (3, 8373379), (7, 3588591), (21, 1196197), (31, 810327), (47, 534471), (93, 270109), (141, 178157), (217, 115761), (329, 76353), (651, 38587), (821, 30597), (987, 25451), (1457, 17241), (2463, 10199), (4371, 5747)]