391626039

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{305719}}^1$

素因数の和:305790

約数の個数: 16

約数和(自身を含む): 606548480

約数和(自身を除く): 214922441

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 305719, 917157, 2140033, 6420099, 18648859, 55946577, 130542013, 391626039]

約数ペア:

[(1, 391626039), (3, 130542013), (7, 55946577), (21, 18648859), (61, 6420099), (183, 2140033), (427, 917157), (1281, 305719)]