39690405

素因数分解:

$3^6\times 5^1\times {\mathrm{10889}}^1$

素因数の和:10912

約数の個数: 28

約数和(自身を含む): 71416620

約数和(自身を除く): 31726215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 10889, 32667, 54445, 98001, 163335, 294003, 490005, 882009, 1470015, 2646027, 4410045, 7938081, 13230135, 39690405]

約数ペア:

[(1, 39690405), (3, 13230135), (5, 7938081), (9, 4410045), (15, 2646027), (27, 1470015), (45, 882009), (81, 490005), (135, 294003), (243, 163335), (405, 98001), (729, 54445), (1215, 32667), (3645, 10889)]