168521877

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 258746400

約数和(自身を除く): 90224523

約数列:

[1, 3, 9, 27, 59, 81, 177, 179, 197, 531, 537, 591, 1593, 1611, 1773, 4779, 4833, 5319, 10561, 11623, 14499, 15957, 31683, 34869, 35263, 95049, 104607, 105789, 285147, 313821, 317367, 855441, 941463, 952101, 2080517, 2856303, 6241551, 18724653, 56173959, 168521877]

約数ペア:

[(1, 168521877), (3, 56173959), (9, 18724653), (27, 6241551), (59, 2856303), (81, 2080517), (177, 952101), (179, 941463), (197, 855441), (531, 317367), (537, 313821), (591, 285147), (1593, 105789), (1611, 104607), (1773, 95049), (4779, 35263), (4833, 34869), (5319, 31683), (10561, 15957), (11623, 14499)]