178119567

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1529

約数の個数: 40

約数和(自身を含む): 281990016

約数和(自身を除く): 103870449

約数列:

[1, 3, 9, 23, 27, 67, 69, 81, 201, 207, 603, 621, 1427, 1541, 1809, 1863, 4281, 4623, 5427, 12843, 13869, 32821, 38529, 41607, 95609, 98463, 115587, 124821, 286827, 295389, 860481, 886167, 2199007, 2581443, 2658501, 6597021, 7744329, 19791063, 59373189, 178119567]

約数ペア:

[(1, 178119567), (3, 59373189), (9, 19791063), (23, 7744329), (27, 6597021), (67, 2658501), (69, 2581443), (81, 2199007), (201, 886167), (207, 860481), (603, 295389), (621, 286827), (1427, 124821), (1541, 115587), (1809, 98463), (1863, 95609), (4281, 41607), (4623, 38529), (5427, 32821), (12843, 13869)]