81261396

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{17231}}^1$

素因数の和:17372

約数の個数: 36

約数和(自身を含む): 206990784

約数和(自身を除く): 125729388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4716, 17231, 34462, 51693, 68924, 103386, 155079, 206772, 310158, 620316, 2257261, 4514522, 6771783, 9029044, 13543566, 20315349, 27087132, 40630698, 81261396]

約数ペア:

[(1, 81261396), (2, 40630698), (3, 27087132), (4, 20315349), (6, 13543566), (9, 9029044), (12, 6771783), (18, 4514522), (36, 2257261), (131, 620316), (262, 310158), (393, 206772), (524, 155079), (786, 103386), (1179, 68924), (1572, 51693), (2358, 34462), (4716, 17231)]