2499945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 4734720

約数和(自身を除く): 2234775

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 821, 1015, 2463, 3045, 4105, 5747, 12315, 17241, 23809, 28735, 71427, 86205, 119045, 166663, 357135, 499989, 833315, 2499945]

約数ペア:

[(1, 2499945), (3, 833315), (5, 499989), (7, 357135), (15, 166663), (21, 119045), (29, 86205), (35, 71427), (87, 28735), (105, 23809), (145, 17241), (203, 12315), (435, 5747), (609, 4105), (821, 3045), (1015, 2463)]