172078587

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{16217}}^1$

素因数の和:16360

約数の個数: 20

約数和(自身を含む): 259033896

約数和(自身を除く): 86955309

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 16217, 48651, 145953, 437859, 1313577, 2124427, 6373281, 19119843, 57359529, 172078587]

約数ペア:

[(1, 172078587), (3, 57359529), (9, 19119843), (27, 6373281), (81, 2124427), (131, 1313577), (393, 437859), (1179, 145953), (3537, 48651), (10611, 16217)]