42920085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16931}}^1$

素因数の和:16965

約数の個数: 24

約数和(自身を含む): 74365344

約数和(自身を除く): 31445259

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 16931, 50793, 84655, 220103, 253965, 660309, 1100515, 2861339, 3301545, 8584017, 14306695, 42920085]

約数ペア:

[(1, 42920085), (3, 14306695), (5, 8584017), (13, 3301545), (15, 2861339), (39, 1100515), (65, 660309), (169, 253965), (195, 220103), (507, 84655), (845, 50793), (2535, 16931)]