68722551

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 111870720

約数和(自身を除く): 43148169

約数列:

[1, 3, 9, 17, 23, 51, 59, 69, 153, 177, 207, 331, 391, 531, 993, 1003, 1173, 1357, 2979, 3009, 3519, 4071, 5627, 7613, 9027, 12213, 16881, 19529, 22839, 23069, 50643, 58587, 68517, 69207, 129421, 175761, 207621, 331993, 388263, 449167, 995979, 1164789, 1347501, 2987937, 4042503, 7635839, 22907517, 68722551]

約数ペア:

[(1, 68722551), (3, 22907517), (9, 7635839), (17, 4042503), (23, 2987937), (51, 1347501), (59, 1164789), (69, 995979), (153, 449167), (177, 388263), (207, 331993), (331, 207621), (391, 175761), (531, 129421), (993, 69207), (1003, 68517), (1173, 58587), (1357, 50643), (2979, 23069), (3009, 22839), (3519, 19529), (4071, 16881), (5627, 12213), (7613, 9027)]