28210665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6553}}^1$

素因数の和:6609

約数の個数: 32

約数和(自身を含む): 52851456

約数和(自身を除く): 24640791

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 6553, 19659, 32765, 45871, 98295, 137613, 229355, 268673, 688065, 806019, 1343365, 1880711, 4030095, 5642133, 9403555, 28210665]

約数ペア:

[(1, 28210665), (3, 9403555), (5, 5642133), (7, 4030095), (15, 1880711), (21, 1343365), (35, 806019), (41, 688065), (105, 268673), (123, 229355), (205, 137613), (287, 98295), (615, 45871), (861, 32765), (1435, 19659), (4305, 6553)]