128263569

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{13249}}^1$

素因数の和:13720

約数の個数: 16

約数和(自身を含む): 195888000

約数和(自身を除く): 67624431

約数列:

[1, 3, 7, 21, 461, 1383, 3227, 9681, 13249, 39747, 92743, 278229, 6107789, 18323367, 42754523, 128263569]

約数ペア:

[(1, 128263569), (3, 42754523), (7, 18323367), (21, 6107789), (461, 278229), (1383, 92743), (3227, 39747), (9681, 13249)]