216236655

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15551}}^1$

素因数の和:15668

約数の個数: 32

約数和(自身を含む): 388177920

約数和(自身を除く): 171941265

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 13905, 15551, 46653, 77755, 139959, 233265, 419877, 699795, 1601753, 2099385, 4805259, 8008765, 14415777, 24026295, 43247331, 72078885, 216236655]

約数ペア:

[(1, 216236655), (3, 72078885), (5, 43247331), (9, 24026295), (15, 14415777), (27, 8008765), (45, 4805259), (103, 2099385), (135, 1601753), (309, 699795), (515, 419877), (927, 233265), (1545, 139959), (2781, 77755), (4635, 46653), (13905, 15551)]