25742283

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 41664000

約数和(自身を除く): 15921717

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 433, 447, 1043, 1299, 2831, 3031, 3129, 8227, 8493, 9093, 19817, 24681, 57589, 59451, 64517, 172767, 193551, 451619, 1225823, 1354857, 3677469, 8580761, 25742283]

約数ペア:

[(1, 25742283), (3, 8580761), (7, 3677469), (19, 1354857), (21, 1225823), (57, 451619), (133, 193551), (149, 172767), (399, 64517), (433, 59451), (447, 57589), (1043, 24681), (1299, 19817), (2831, 9093), (3031, 8493), (3129, 8227)]