26980191

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1777}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 44748704

約数和(自身を除く): 17768513

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1687, 1777, 2169, 5061, 5331, 12439, 15183, 15993, 37317, 111951, 428257, 1284771, 2997799, 3854313, 8993397, 26980191]

約数ペア:

[(1, 26980191), (3, 8993397), (7, 3854313), (9, 2997799), (21, 1284771), (63, 428257), (241, 111951), (723, 37317), (1687, 15993), (1777, 15183), (2169, 12439), (5061, 5331)]