12700905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1657}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 23556864

約数和(自身を除く): 10855959

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 1657, 2555, 4971, 7665, 8285, 11599, 24855, 34797, 57995, 120961, 173985, 362883, 604805, 846727, 1814415, 2540181, 4233635, 12700905]

約数ペア:

[(1, 12700905), (3, 4233635), (5, 2540181), (7, 1814415), (15, 846727), (21, 604805), (35, 362883), (73, 173985), (105, 120961), (219, 57995), (365, 34797), (511, 24855), (1095, 11599), (1533, 8285), (1657, 7665), (2555, 4971)]