215031807

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4877}}^1$

素因数の和:4980

約数の個数: 32

約数和(自身を含む): 337167360

約数和(自身を除く): 122135553

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 621, 639, 1633, 1917, 4877, 4899, 14631, 14697, 43893, 44091, 112171, 131679, 336513, 346267, 1009539, 1038801, 3028617, 3116403, 7964141, 9349209, 23892423, 71677269, 215031807]

約数ペア:

[(1, 215031807), (3, 71677269), (9, 23892423), (23, 9349209), (27, 7964141), (69, 3116403), (71, 3028617), (207, 1038801), (213, 1009539), (621, 346267), (639, 336513), (1633, 131679), (1917, 112171), (4877, 44091), (4899, 43893), (14631, 14697)]