61564881

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 96104448

約数和(自身を除く): 34539567

約数列:

[1, 3, 7, 21, 71, 157, 213, 263, 471, 497, 789, 1099, 1491, 1841, 3297, 5523, 11147, 18673, 33441, 41291, 56019, 78029, 123873, 130711, 234087, 289037, 392133, 867111, 2931661, 8794983, 20521627, 61564881]

約数ペア:

[(1, 61564881), (3, 20521627), (7, 8794983), (21, 2931661), (71, 867111), (157, 392133), (213, 289037), (263, 234087), (471, 130711), (497, 123873), (789, 78029), (1099, 56019), (1491, 41291), (1841, 33441), (3297, 18673), (5523, 11147)]