7285815

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 13406400

約数和(自身を除く): 6120585

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 1861, 3915, 5583, 9305, 16749, 27915, 50247, 53969, 83745, 161907, 251235, 269845, 485721, 809535, 1457163, 2428605, 7285815]

約数ペア:

[(1, 7285815), (3, 2428605), (5, 1457163), (9, 809535), (15, 485721), (27, 269845), (29, 251235), (45, 161907), (87, 83745), (135, 53969), (145, 50247), (261, 27915), (435, 16749), (783, 9305), (1305, 5583), (1861, 3915)]