1899525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 3491840

約数和(自身を除く): 1592315

約数列:

[1, 3, 5, 15, 19, 25, 31, 43, 57, 75, 93, 95, 129, 155, 215, 285, 465, 475, 589, 645, 775, 817, 1075, 1333, 1425, 1767, 2325, 2451, 2945, 3225, 3999, 4085, 6665, 8835, 12255, 14725, 19995, 20425, 25327, 33325, 44175, 61275, 75981, 99975, 126635, 379905, 633175, 1899525]

約数ペア:

[(1, 1899525), (3, 633175), (5, 379905), (15, 126635), (19, 99975), (25, 75981), (31, 61275), (43, 44175), (57, 33325), (75, 25327), (93, 20425), (95, 19995), (129, 14725), (155, 12255), (215, 8835), (285, 6665), (465, 4085), (475, 3999), (589, 3225), (645, 2945), (775, 2451), (817, 2325), (1075, 1767), (1333, 1425)]