61518215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{4421}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 84690144

約数和(自身を除く): 23171929

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 2783, 4421, 13915, 22105, 48631, 101683, 243155, 508415, 534941, 1118513, 2674705, 5592565, 12303643, 61518215]

約数ペア:

[(1, 61518215), (5, 12303643), (11, 5592565), (23, 2674705), (55, 1118513), (115, 534941), (121, 508415), (253, 243155), (605, 101683), (1265, 48631), (2783, 22105), (4421, 13915)]