64947795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20717}}^1$

素因数の和:20755

約数の個数: 32

約数和(自身を含む): 119335680

約数和(自身を除く): 54387885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 20717, 62151, 103585, 227887, 310755, 393623, 683661, 1139435, 1180869, 1968115, 3418305, 4329853, 5904345, 12989559, 21649265, 64947795]

約数ペア:

[(1, 64947795), (3, 21649265), (5, 12989559), (11, 5904345), (15, 4329853), (19, 3418305), (33, 1968115), (55, 1180869), (57, 1139435), (95, 683661), (165, 393623), (209, 310755), (285, 227887), (627, 103585), (1045, 62151), (3135, 20717)]