12967821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 20015424

約数和(自身を除く): 7047603

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 647, 1179, 1941, 2227, 5823, 6681, 10999, 20043, 32997, 84757, 98991, 254271, 762813, 1440869, 4322607, 12967821]

約数ペア:

[(1, 12967821), (3, 4322607), (9, 1440869), (17, 762813), (51, 254271), (131, 98991), (153, 84757), (393, 32997), (647, 20043), (1179, 10999), (1941, 6681), (2227, 5823)]