28218015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3089}}^1$

素因数の和:3136

約数の個数: 48

約数和(自身を含む): 57844800

約数和(自身を除く): 29626785

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 3045, 3089, 9135, 9267, 15445, 21623, 27801, 46335, 64869, 89581, 108115, 139005, 194607, 268743, 324345, 447905, 627067, 806229, 973035, 1343715, 1881201, 3135335, 4031145, 5643603, 9406005, 28218015]

約数ペア:

[(1, 28218015), (3, 9406005), (5, 5643603), (7, 4031145), (9, 3135335), (15, 1881201), (21, 1343715), (29, 973035), (35, 806229), (45, 627067), (63, 447905), (87, 324345), (105, 268743), (145, 194607), (203, 139005), (261, 108115), (315, 89581), (435, 64869), (609, 46335), (1015, 27801), (1305, 21623), (1827, 15445), (3045, 9267), (3089, 9135)]