42390789

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 67196160

約数和(自身を除く): 24805371

約数列:

[1, 3, 7, 21, 37, 89, 111, 259, 267, 613, 623, 777, 1839, 1869, 3293, 4291, 9879, 12873, 22681, 23051, 54557, 68043, 69153, 158767, 163671, 381899, 476301, 1145697, 2018609, 6055827, 14130263, 42390789]

約数ペア:

[(1, 42390789), (3, 14130263), (7, 6055827), (21, 2018609), (37, 1145697), (89, 476301), (111, 381899), (259, 163671), (267, 158767), (613, 69153), (623, 68043), (777, 54557), (1839, 23051), (1869, 22681), (3293, 12873), (4291, 9879)]