2625225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4821120

約数和(自身を除く): 2195895

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 71, 75, 85, 87, 145, 213, 255, 355, 425, 435, 493, 725, 1065, 1207, 1275, 1479, 1775, 2059, 2175, 2465, 3621, 5325, 6035, 6177, 7395, 10295, 12325, 18105, 30175, 30885, 35003, 36975, 51475, 90525, 105009, 154425, 175015, 525045, 875075, 2625225]

約数ペア:

[(1, 2625225), (3, 875075), (5, 525045), (15, 175015), (17, 154425), (25, 105009), (29, 90525), (51, 51475), (71, 36975), (75, 35003), (85, 30885), (87, 30175), (145, 18105), (213, 12325), (255, 10295), (355, 7395), (425, 6177), (435, 6035), (493, 5325), (725, 3621), (1065, 2465), (1207, 2175), (1275, 2059), (1479, 1775)]