2018788515

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63097}}^1$

素因数の和:63193

約数の個数: 40

約数和(自身を含む): 3664731840

約数和(自身を除く): 1645943325

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 3555, 6399, 10665, 31995, 63097, 189291, 315485, 567873, 946455, 1703619, 2839365, 4984663, 5110857, 8518095, 14953989, 24923315, 25554285, 44861967, 74769945, 134585901, 224309835, 403757703, 672929505, 2018788515]

約数ペア:

[(1, 2018788515), (3, 672929505), (5, 403757703), (9, 224309835), (15, 134585901), (27, 74769945), (45, 44861967), (79, 25554285), (81, 24923315), (135, 14953989), (237, 8518095), (395, 5110857), (405, 4984663), (711, 2839365), (1185, 1703619), (2133, 946455), (3555, 567873), (6399, 315485), (10665, 189291), (31995, 63097)]