280157865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{9151}}^1$

素因数の和:9329

約数の個数: 32

約数和(自身を含む): 485861376

約数和(自身を除く): 205703511

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 2041, 2355, 6123, 9151, 10205, 27453, 30615, 45755, 118963, 137265, 356889, 594815, 1436707, 1784445, 4310121, 7183535, 18677191, 21550605, 56031573, 93385955, 280157865]

約数ペア:

[(1, 280157865), (3, 93385955), (5, 56031573), (13, 21550605), (15, 18677191), (39, 7183535), (65, 4310121), (157, 1784445), (195, 1436707), (471, 594815), (785, 356889), (2041, 137265), (2355, 118963), (6123, 45755), (9151, 30615), (10205, 27453)]