12217821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 20487168

約数和(自身を除く): 8269347

約数列:

[1, 3, 7, 11, 21, 33, 77, 227, 231, 233, 681, 699, 1589, 1631, 2497, 2563, 4767, 4893, 7491, 7689, 17479, 17941, 52437, 52891, 53823, 158673, 370237, 581801, 1110711, 1745403, 4072607, 12217821]

約数ペア:

[(1, 12217821), (3, 4072607), (7, 1745403), (11, 1110711), (21, 581801), (33, 370237), (77, 158673), (227, 53823), (231, 52891), (233, 52437), (681, 17941), (699, 17479), (1589, 7689), (1631, 7491), (2497, 4893), (2563, 4767)]