181506981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 260740480

約数和(自身を除く): 79233499

約数列:

[1, 3, 19, 57, 73, 181, 219, 241, 543, 723, 1387, 3439, 4161, 4579, 10317, 13213, 13737, 17593, 39639, 43621, 52779, 130863, 251047, 334267, 753141, 828799, 1002801, 2486397, 3184333, 9552999, 60502327, 181506981]

約数ペア:

[(1, 181506981), (3, 60502327), (19, 9552999), (57, 3184333), (73, 2486397), (181, 1002801), (219, 828799), (241, 753141), (543, 334267), (723, 251047), (1387, 130863), (3439, 52779), (4161, 43621), (4579, 39639), (10317, 17593), (13213, 13737)]