188857221

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{4999}}^1$

素因数の和:5273

約数の個数: 24

約数和(自身を含む): 294120000

約数和(自身を除く): 105262779

約数列:

[1, 3, 7, 21, 49, 147, 257, 771, 1799, 4999, 5397, 12593, 14997, 34993, 37779, 104979, 244951, 734853, 1284743, 3854229, 8993201, 26979603, 62952407, 188857221]

約数ペア:

[(1, 188857221), (3, 62952407), (7, 26979603), (21, 8993201), (49, 3854229), (147, 1284743), (257, 734853), (771, 244951), (1799, 104979), (4999, 37779), (5397, 34993), (12593, 14997)]