81260565

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 135136512

約数和(自身を除く): 53875947

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 1861, 2911, 5583, 8733, 9305, 14555, 27915, 43665, 76301, 132131, 228903, 381505, 396393, 660655, 1144515, 1981965, 5417371, 16252113, 27086855, 81260565]

約数ペア:

[(1, 81260565), (3, 27086855), (5, 16252113), (15, 5417371), (41, 1981965), (71, 1144515), (123, 660655), (205, 396393), (213, 381505), (355, 228903), (615, 132131), (1065, 76301), (1861, 43665), (2911, 27915), (5583, 14555), (8733, 9305)]