1968345

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3773952

約数和(自身を除く): 1805607

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 83, 85, 93, 153, 155, 249, 255, 279, 415, 465, 527, 747, 765, 1245, 1395, 1411, 1581, 2573, 2635, 3735, 4233, 4743, 7055, 7719, 7905, 12699, 12865, 21165, 23157, 23715, 38595, 43741, 63495, 115785, 131223, 218705, 393669, 656115, 1968345]

約数ペア:

[(1, 1968345), (3, 656115), (5, 393669), (9, 218705), (15, 131223), (17, 115785), (31, 63495), (45, 43741), (51, 38595), (83, 23715), (85, 23157), (93, 21165), (153, 12865), (155, 12699), (249, 7905), (255, 7719), (279, 7055), (415, 4743), (465, 4233), (527, 3735), (747, 2635), (765, 2573), (1245, 1581), (1395, 1411)]