1288485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 2583360

約数和(自身を除く): 1294875

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 137, 165, 171, 209, 285, 411, 495, 627, 685, 855, 1045, 1233, 1507, 1881, 2055, 2603, 3135, 4521, 6165, 7535, 7809, 9405, 13015, 13563, 22605, 23427, 28633, 39045, 67815, 85899, 117135, 143165, 257697, 429495, 1288485]

約数ペア:

[(1, 1288485), (3, 429495), (5, 257697), (9, 143165), (11, 117135), (15, 85899), (19, 67815), (33, 39045), (45, 28633), (55, 23427), (57, 22605), (95, 13563), (99, 13015), (137, 9405), (165, 7809), (171, 7535), (209, 6165), (285, 4521), (411, 3135), (495, 2603), (627, 2055), (685, 1881), (855, 1507), (1045, 1233)]