17972227

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4817}}^1$

素因数の和:4878

約数の個数: 16

約数和(自身を含む): 22663872

約数和(自身を除く): 4691645

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 4817, 33719, 62621, 197497, 438347, 1382479, 2567461, 17972227]

約数ペア:

[(1, 17972227), (7, 2567461), (13, 1382479), (41, 438347), (91, 197497), (287, 62621), (533, 33719), (3731, 4817)]