2147985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2294

約数の個数: 32

約数和(自身を含む): 4366080

約数和(自身を除く): 2218095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2273, 6819, 11365, 15911, 20457, 34095, 47733, 61371, 79555, 102285, 143199, 238665, 306855, 429597, 715995, 2147985]

約数ペア:

[(1, 2147985), (3, 715995), (5, 429597), (7, 306855), (9, 238665), (15, 143199), (21, 102285), (27, 79555), (35, 61371), (45, 47733), (63, 34095), (105, 20457), (135, 15911), (189, 11365), (315, 6819), (945, 2273)]