688743441

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{5273}}^1$

素因数の和:5933

約数の個数: 24

約数和(自身を含む): 1039948416

約数和(自身を除く): 351204975

約数列:

[1, 3, 9, 23, 69, 207, 631, 1893, 5273, 5679, 14513, 15819, 43539, 47457, 121279, 130617, 363837, 1091511, 3327263, 9981789, 29945367, 76527049, 229581147, 688743441]

約数ペア:

[(1, 688743441), (3, 229581147), (9, 76527049), (23, 29945367), (69, 9981789), (207, 3327263), (631, 1091511), (1893, 363837), (5273, 130617), (5679, 121279), (14513, 47457), (15819, 43539)]