28253715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6563}}^1$

素因数の和:6619

約数の個数: 32

約数和(自身を含む): 52932096

約数和(自身を除く): 24678381

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 6563, 19689, 32815, 45941, 98445, 137823, 229705, 269083, 689115, 807249, 1345415, 1883581, 4036245, 5650743, 9417905, 28253715]

約数ペア:

[(1, 28253715), (3, 9417905), (5, 5650743), (7, 4036245), (15, 1883581), (21, 1345415), (35, 807249), (41, 689115), (105, 269083), (123, 229705), (205, 137823), (287, 98445), (615, 45941), (861, 32815), (1435, 19689), (4305, 6563)]