19980303

素因数分解:

$3^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1049}}^1$

素因数の和:1966

約数の個数: 16

約数和(自身を含む): 30508800

約数和(自身を除く): 10528497

約数列:

[1, 3, 7, 21, 907, 1049, 2721, 3147, 6349, 7343, 19047, 22029, 951443, 2854329, 6660101, 19980303]

約数ペア:

[(1, 19980303), (3, 6660101), (7, 2854329), (21, 951443), (907, 22029), (1049, 19047), (2721, 7343), (3147, 6349)]