38758065

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 64713600

約数和(自身を除く): 25955535

約数列:

[1, 3, 5, 15, 29, 87, 139, 145, 417, 435, 641, 695, 1923, 2085, 3205, 4031, 9615, 12093, 18589, 20155, 55767, 60465, 89099, 92945, 267297, 278835, 445495, 1336485, 2583871, 7751613, 12919355, 38758065]

約数ペア:

[(1, 38758065), (3, 12919355), (5, 7751613), (15, 2583871), (29, 1336485), (87, 445495), (139, 278835), (145, 267297), (417, 92945), (435, 89099), (641, 60465), (695, 55767), (1923, 20155), (2085, 18589), (3205, 12093), (4031, 9615)]