15355881

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 23901696

約数和(自身を除く): 8545815

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 2393, 6417, 7179, 21537, 55039, 74183, 165117, 222549, 495351, 667647, 1706209, 5118627, 15355881]

約数ペア:

[(1, 15355881), (3, 5118627), (9, 1706209), (23, 667647), (31, 495351), (69, 222549), (93, 165117), (207, 74183), (279, 55039), (713, 21537), (2139, 7179), (2393, 6417)]