64667865

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 107557632

約数和(自身を除く): 42889767

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 1481, 2911, 4443, 7405, 8733, 14555, 22215, 43665, 60721, 105151, 182163, 303605, 315453, 525755, 910815, 1577265, 4311191, 12933573, 21555955, 64667865]

約数ペア:

[(1, 64667865), (3, 21555955), (5, 12933573), (15, 4311191), (41, 1577265), (71, 910815), (123, 525755), (205, 315453), (213, 303605), (355, 182163), (615, 105151), (1065, 60721), (1481, 43665), (2911, 22215), (4443, 14555), (7405, 8733)]