12872013

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 21645312

約数和(自身を除く): 8773299

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 541, 721, 1133, 1623, 2163, 3399, 3787, 5951, 7931, 11361, 17853, 23793, 41657, 55723, 124971, 167169, 390061, 612953, 1170183, 1838859, 4290671, 12872013]

約数ペア:

[(1, 12872013), (3, 4290671), (7, 1838859), (11, 1170183), (21, 612953), (33, 390061), (77, 167169), (103, 124971), (231, 55723), (309, 41657), (541, 23793), (721, 17853), (1133, 11361), (1623, 7931), (2163, 5951), (3399, 3787)]