1986849

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1322

約数の個数: 20

約数和(自身を含む): 3126640

約数和(自身を除く): 1139791

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1291, 1539, 3873, 11619, 24529, 34857, 73587, 104571, 220761, 662283, 1986849]

約数ペア:

[(1, 1986849), (3, 662283), (9, 220761), (19, 104571), (27, 73587), (57, 34857), (81, 24529), (171, 11619), (513, 3873), (1291, 1539)]