17219979

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 12156021

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 509, 537, 1253, 1527, 1611, 3563, 3759, 4581, 4833, 10689, 11277, 13743, 32067, 33831, 91111, 96201, 273333, 637777, 819999, 1913331, 2459997, 5739993, 17219979]

約数ペア:

[(1, 17219979), (3, 5739993), (7, 2459997), (9, 1913331), (21, 819999), (27, 637777), (63, 273333), (179, 96201), (189, 91111), (509, 33831), (537, 32067), (1253, 13743), (1527, 11277), (1611, 10689), (3563, 4833), (3759, 4581)]