131396097

素因数分解:

$3^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 205920000

約数和(自身を除く): 74523903

約数列:

[1, 3, 7, 21, 49, 147, 149, 343, 447, 857, 1029, 1043, 2571, 3129, 5999, 7301, 17997, 21903, 41993, 51107, 125979, 127693, 153321, 293951, 383079, 881853, 893851, 2681553, 6256957, 18770871, 43798699, 131396097]

約数ペア:

[(1, 131396097), (3, 43798699), (7, 18770871), (21, 6256957), (49, 2681553), (147, 893851), (149, 881853), (343, 383079), (447, 293951), (857, 153321), (1029, 127693), (1043, 125979), (2571, 51107), (3129, 41993), (5999, 21903), (7301, 17997)]