68639415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2687}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 119218176

約数和(自身を除く): 50578761

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 2687, 5109, 8061, 8515, 13435, 25545, 34931, 40305, 104793, 174655, 351997, 523965, 1055991, 1759985, 4575961, 5279955, 13727883, 22879805, 68639415]

約数ペア:

[(1, 68639415), (3, 22879805), (5, 13727883), (13, 5279955), (15, 4575961), (39, 1759985), (65, 1055991), (131, 523965), (195, 351997), (393, 174655), (655, 104793), (1703, 40305), (1965, 34931), (2687, 25545), (5109, 13435), (8061, 8515)]