1338156945

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1\times {\mathrm{643}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 2350857600

約数和(自身を除く): 1012700655

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 449, 515, 643, 927, 1347, 1545, 1929, 2245, 3215, 4041, 4635, 5787, 6735, 9645, 20205, 28935, 46247, 66229, 138741, 198687, 231235, 288707, 331145, 416223, 596061, 693705, 866121, 993435, 1443535, 2081115, 2598363, 2980305, 4330605, 12991815, 29736821, 89210463, 148684105, 267631389, 446052315, 1338156945]

約数ペア:

[(1, 1338156945), (3, 446052315), (5, 267631389), (9, 148684105), (15, 89210463), (45, 29736821), (103, 12991815), (309, 4330605), (449, 2980305), (515, 2598363), (643, 2081115), (927, 1443535), (1347, 993435), (1545, 866121), (1929, 693705), (2245, 596061), (3215, 416223), (4041, 331145), (4635, 288707), (5787, 231235), (6735, 198687), (9645, 138741), (20205, 66229), (28935, 46247)]