2667249921

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{808993}}^1$

素因数の和:809160

約数の個数: 16

約数和(自身を含む): 4090273664

約数和(自身を除く): 1423023743

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 808993, 2426979, 5662951, 16988853, 127011901, 381035703, 889083307, 2667249921]

約数ペア:

[(1, 2667249921), (3, 889083307), (7, 381035703), (21, 127011901), (157, 16988853), (471, 5662951), (1099, 2426979), (3297, 808993)]