64808913

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 99187200

約数和(自身を除く): 34378287

約数列:

[1, 3, 13, 17, 39, 51, 221, 239, 409, 663, 717, 1227, 3107, 4063, 5317, 6953, 9321, 12189, 15951, 20859, 52819, 90389, 97751, 158457, 271167, 293253, 1270763, 1661767, 3812289, 4985301, 21602971, 64808913]

約数ペア:

[(1, 64808913), (3, 21602971), (13, 4985301), (17, 3812289), (39, 1661767), (51, 1270763), (221, 293253), (239, 271167), (409, 158457), (663, 97751), (717, 90389), (1227, 52819), (3107, 20859), (4063, 15951), (5317, 12189), (6953, 9321)]