7261407

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:740

約数の個数: 20

約数和(自身を含む): 10935496

約数和(自身を除く): 3674089

約数列:

[1, 3, 9, 27, 81, 157, 471, 571, 1413, 1713, 4239, 5139, 12717, 15417, 46251, 89647, 268941, 806823, 2420469, 7261407]

約数ペア:

[(1, 7261407), (3, 2420469), (9, 806823), (27, 268941), (81, 89647), (157, 46251), (471, 15417), (571, 12717), (1413, 5139), (1713, 4239)]