1281075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 2380800

約数和(自身を除く): 1099725

約数列:

[1, 3, 5, 15, 19, 25, 29, 31, 57, 75, 87, 93, 95, 145, 155, 285, 435, 465, 475, 551, 589, 725, 775, 899, 1425, 1653, 1767, 2175, 2325, 2697, 2755, 2945, 4495, 8265, 8835, 13485, 13775, 14725, 17081, 22475, 41325, 44175, 51243, 67425, 85405, 256215, 427025, 1281075]

約数ペア:

[(1, 1281075), (3, 427025), (5, 256215), (15, 85405), (19, 67425), (25, 51243), (29, 44175), (31, 41325), (57, 22475), (75, 17081), (87, 14725), (93, 13775), (95, 13485), (145, 8835), (155, 8265), (285, 4495), (435, 2945), (465, 2755), (475, 2697), (551, 2325), (589, 2175), (725, 1767), (775, 1653), (899, 1425)]