277890531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{68261}}^1$

素因数の和:68346

約数の個数: 16

約数和(自身を含む): 393189120

約数和(自身を除く): 115298589

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 68261, 204783, 1570003, 4027399, 4710009, 12082197, 92630177, 277890531]

約数ペア:

[(1, 277890531), (3, 92630177), (23, 12082197), (59, 4710009), (69, 4027399), (177, 1570003), (1357, 204783), (4071, 68261)]