320131515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{757}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 566171424

約数和(自身を除く): 246039909

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 233, 363, 605, 699, 757, 1165, 1815, 2271, 2563, 3495, 3785, 7689, 8327, 11355, 12815, 24981, 28193, 38445, 41635, 84579, 91597, 124905, 140965, 176381, 274791, 422895, 457985, 529143, 881905, 1373955, 1940191, 2645715, 5820573, 9700955, 21342101, 29102865, 64026303, 106710505, 320131515]

約数ペア:

[(1, 320131515), (3, 106710505), (5, 64026303), (11, 29102865), (15, 21342101), (33, 9700955), (55, 5820573), (121, 2645715), (165, 1940191), (233, 1373955), (363, 881905), (605, 529143), (699, 457985), (757, 422895), (1165, 274791), (1815, 176381), (2271, 140965), (2563, 124905), (3495, 91597), (3785, 84579), (7689, 41635), (8327, 38445), (11355, 28193), (12815, 24981)]