17873121

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12703}}^1$

素因数の和:12780

約数の個数: 16

約数和(自身を含む): 27643904

約数和(自身を除く): 9770783

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 12703, 38109, 88921, 266763, 851101, 2553303, 5957707, 17873121]

約数ペア:

[(1, 17873121), (3, 5957707), (7, 2553303), (21, 851101), (67, 266763), (201, 88921), (469, 38109), (1407, 12703)]