1993689

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 3088800

約数和(自身を除く): 1095111

約数列:

[1, 3, 9, 19, 57, 89, 131, 171, 267, 393, 801, 1179, 1691, 2489, 5073, 7467, 11659, 15219, 22401, 34977, 104931, 221521, 664563, 1993689]

約数ペア:

[(1, 1993689), (3, 664563), (9, 221521), (19, 104931), (57, 34977), (89, 22401), (131, 15219), (171, 11659), (267, 7467), (393, 5073), (801, 2489), (1179, 1691)]