247273239

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 355968000

約数和(自身を除く): 108694761

約数列:

[1, 3, 19, 57, 79, 89, 237, 267, 617, 1501, 1691, 1851, 4503, 5073, 7031, 11723, 21093, 35169, 48743, 54913, 133589, 146229, 164739, 400767, 926117, 1043347, 2778351, 3130041, 4338127, 13014381, 82424413, 247273239]

約数ペア:

[(1, 247273239), (3, 82424413), (19, 13014381), (57, 4338127), (79, 3130041), (89, 2778351), (237, 1043347), (267, 926117), (617, 400767), (1501, 164739), (1691, 146229), (1851, 133589), (4503, 54913), (5073, 48743), (7031, 35169), (11723, 21093)]