2191365

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 4380480

約数和(自身を除く): 2189115

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 233, 285, 495, 627, 699, 855, 1045, 1165, 1881, 2097, 2563, 3135, 3495, 4427, 7689, 9405, 10485, 12815, 13281, 22135, 23067, 38445, 39843, 48697, 66405, 115335, 146091, 199215, 243485, 438273, 730455, 2191365]

約数ペア:

[(1, 2191365), (3, 730455), (5, 438273), (9, 243485), (11, 199215), (15, 146091), (19, 115335), (33, 66405), (45, 48697), (55, 39843), (57, 38445), (95, 23067), (99, 22135), (165, 13281), (171, 12815), (209, 10485), (233, 9405), (285, 7689), (495, 4427), (627, 3495), (699, 3135), (855, 2563), (1045, 2097), (1165, 1881)]