1388381499

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{31489}}^1$

素因数の和:31592

約数の個数: 32

約数和(自身を含む): 2176588800

約数和(自身を除く): 788207301

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 621, 639, 1633, 1917, 4899, 14697, 31489, 44091, 94467, 283401, 724247, 850203, 2172741, 2235719, 6518223, 6707157, 19554669, 20121471, 51421537, 60364413, 154264611, 462793833, 1388381499]

約数ペア:

[(1, 1388381499), (3, 462793833), (9, 154264611), (23, 60364413), (27, 51421537), (69, 20121471), (71, 19554669), (207, 6707157), (213, 6518223), (621, 2235719), (639, 2172741), (1633, 850203), (1917, 724247), (4899, 283401), (14697, 94467), (31489, 44091)]