438400512009

素因数分解:

$3^2\times {\mathrm{18413}}^1\times {\mathrm{2645477}}^1$

素因数の和:2663896

約数の個数: 12

約数和(自身を含む): 633279814596

約数和(自身を除く): 194879302587

約数列:

[1, 3, 9, 18413, 55239, 165717, 2645477, 7936431, 23809293, 48711168001, 146133504003, 438400512009]

約数ペア:

[(1, 438400512009), (3, 146133504003), (9, 48711168001), (18413, 23809293), (55239, 7936431), (165717, 2645477)]