38208261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 63141120

約数和(自身を除く): 24932859

約数列:

[1, 3, 7, 13, 21, 39, 91, 173, 273, 519, 809, 1211, 2249, 2427, 3633, 5663, 6747, 10517, 15743, 16989, 31551, 47229, 73619, 139957, 220857, 419871, 979699, 1819441, 2939097, 5458323, 12736087, 38208261]

約数ペア:

[(1, 38208261), (3, 12736087), (7, 5458323), (13, 2939097), (21, 1819441), (39, 979699), (91, 419871), (173, 220857), (273, 139957), (519, 73619), (809, 47229), (1211, 31551), (2249, 16989), (2427, 15743), (3633, 10517), (5663, 6747)]