687660687

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{811}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 1166733568

約数和(自身を除く): 479072881

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 313, 387, 811, 903, 939, 2191, 2433, 2709, 2817, 5677, 6573, 7299, 13459, 17031, 19719, 34873, 40377, 51093, 94213, 104619, 121131, 244111, 253843, 282639, 313857, 732333, 761529, 847917, 1776901, 2196999, 2284587, 5330703, 10915249, 15992109, 32745747, 76406743, 98237241, 229220229, 687660687]

約数ペア:

[(1, 687660687), (3, 229220229), (7, 98237241), (9, 76406743), (21, 32745747), (43, 15992109), (63, 10915249), (129, 5330703), (301, 2284587), (313, 2196999), (387, 1776901), (811, 847917), (903, 761529), (939, 732333), (2191, 313857), (2433, 282639), (2709, 253843), (2817, 244111), (5677, 121131), (6573, 104619), (7299, 94213), (13459, 51093), (17031, 40377), (19719, 34873)]