68902917

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 99677952

約数和(自身を除く): 30775035

約数列:

[1, 3, 23, 37, 69, 111, 137, 197, 411, 591, 851, 2553, 3151, 4531, 5069, 7289, 9453, 13593, 15207, 21867, 26989, 80967, 116587, 167647, 349761, 502941, 620747, 998593, 1862241, 2995779, 22967639, 68902917]

約数ペア:

[(1, 68902917), (3, 22967639), (23, 2995779), (37, 1862241), (69, 998593), (111, 620747), (137, 502941), (197, 349761), (411, 167647), (591, 116587), (851, 80967), (2553, 26989), (3151, 21867), (4531, 15207), (5069, 13593), (7289, 9453)]