28585815

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 47791296

約数和(自身を除く): 19205481

約数列:

[1, 3, 5, 15, 41, 53, 123, 159, 205, 265, 615, 795, 877, 2173, 2631, 4385, 6519, 10865, 13155, 32595, 35957, 46481, 107871, 139443, 179785, 232405, 539355, 697215, 1905721, 5717163, 9528605, 28585815]

約数ペア:

[(1, 28585815), (3, 9528605), (5, 5717163), (15, 1905721), (41, 697215), (53, 539355), (123, 232405), (159, 179785), (205, 139443), (265, 107871), (615, 46481), (795, 35957), (877, 32595), (2173, 13155), (2631, 10865), (4385, 6519)]