215496765

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2083}}^1$

素因数の和:2135

約数の個数: 72

約数和(自身を含む): 432388320

約数和(自身を除く): 216891555

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 121, 165, 171, 209, 285, 363, 495, 605, 627, 855, 1045, 1089, 1815, 1881, 2083, 2299, 3135, 5445, 6249, 6897, 9405, 10415, 11495, 18747, 20691, 22913, 31245, 34485, 39577, 68739, 93735, 103455, 114565, 118731, 197885, 206217, 252043, 343695, 356193, 435347, 593655, 756129, 1031085, 1260215, 1306041, 1780965, 2176735, 2268387, 3780645, 3918123, 4788817, 6530205, 11341935, 14366451, 19590615, 23944085, 43099353, 71832255, 215496765]

約数ペア:

[(1, 215496765), (3, 71832255), (5, 43099353), (9, 23944085), (11, 19590615), (15, 14366451), (19, 11341935), (33, 6530205), (45, 4788817), (55, 3918123), (57, 3780645), (95, 2268387), (99, 2176735), (121, 1780965), (165, 1306041), (171, 1260215), (209, 1031085), (285, 756129), (363, 593655), (495, 435347), (605, 356193), (627, 343695), (855, 252043), (1045, 206217), (1089, 197885), (1815, 118731), (1881, 114565), (2083, 103455), (2299, 93735), (3135, 68739), (5445, 39577), (6249, 34485), (6897, 31245), (9405, 22913), (10415, 20691), (11495, 18747)]