81405138

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{911}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 166655232

約数和(自身を除く): 85250094

約数列:

[1, 2, 3, 6, 53, 106, 159, 281, 318, 562, 843, 911, 1686, 1822, 2733, 5466, 14893, 29786, 44679, 48283, 89358, 96566, 144849, 255991, 289698, 511982, 767973, 1535946, 13567523, 27135046, 40702569, 81405138]

約数ペア:

[(1, 81405138), (2, 40702569), (3, 27135046), (6, 13567523), (53, 1535946), (106, 767973), (159, 511982), (281, 289698), (318, 255991), (562, 144849), (843, 96566), (911, 89358), (1686, 48283), (1822, 44679), (2733, 29786), (5466, 14893)]