2490993

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 32

約数和(自身を含む): 4014720

約数和(自身を除く): 1523727

約数列:

[1, 3, 9, 17, 27, 51, 67, 81, 153, 201, 243, 459, 603, 729, 1139, 1377, 1809, 2187, 3417, 4131, 5427, 10251, 12393, 16281, 30753, 37179, 48843, 92259, 146529, 276777, 830331, 2490993]

約数ペア:

[(1, 2490993), (3, 830331), (9, 276777), (17, 146529), (27, 92259), (51, 48843), (67, 37179), (81, 30753), (153, 16281), (201, 12393), (243, 10251), (459, 5427), (603, 4131), (729, 3417), (1139, 2187), (1377, 1809)]