2107575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 4352400

約数和(自身を除く): 2244825

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 29, 45, 51, 57, 75, 85, 87, 95, 145, 153, 171, 225, 255, 261, 285, 323, 425, 435, 475, 493, 551, 725, 765, 855, 969, 1275, 1305, 1425, 1479, 1615, 1653, 2175, 2465, 2755, 2907, 3825, 4275, 4437, 4845, 4959, 6525, 7395, 8075, 8265, 9367, 12325, 13775, 14535, 22185, 24225, 24795, 28101, 36975, 41325, 46835, 72675, 84303, 110925, 123975, 140505, 234175, 421515, 702525, 2107575]

約数ペア:

[(1, 2107575), (3, 702525), (5, 421515), (9, 234175), (15, 140505), (17, 123975), (19, 110925), (25, 84303), (29, 72675), (45, 46835), (51, 41325), (57, 36975), (75, 28101), (85, 24795), (87, 24225), (95, 22185), (145, 14535), (153, 13775), (171, 12325), (225, 9367), (255, 8265), (261, 8075), (285, 7395), (323, 6525), (425, 4959), (435, 4845), (475, 4437), (493, 4275), (551, 3825), (725, 2907), (765, 2755), (855, 2465), (969, 2175), (1275, 1653), (1305, 1615), (1425, 1479)]