478639131

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7699}}^1$

素因数の和:7795

約数の個数: 32

約数和(自身を含む): 718502400

約数和(自身を除く): 239863269

約数列:

[1, 3, 17, 23, 51, 53, 69, 159, 391, 901, 1173, 1219, 2703, 3657, 7699, 20723, 23097, 62169, 130883, 177077, 392649, 408047, 531231, 1224141, 3010309, 6936799, 9030927, 9385081, 20810397, 28155243, 159546377, 478639131]

約数ペア:

[(1, 478639131), (3, 159546377), (17, 28155243), (23, 20810397), (51, 9385081), (53, 9030927), (69, 6936799), (159, 3010309), (391, 1224141), (901, 531231), (1173, 408047), (1219, 392649), (2703, 177077), (3657, 130883), (7699, 62169), (20723, 23097)]