81419955

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 132787200

約数和(自身を除く): 51367245

約数列:

[1, 3, 5, 15, 103, 151, 309, 349, 453, 515, 755, 1047, 1545, 1745, 2265, 5235, 15553, 35947, 46659, 52699, 77765, 107841, 158097, 179735, 233295, 263495, 539205, 790485, 5427997, 16283991, 27139985, 81419955]

約数ペア:

[(1, 81419955), (3, 27139985), (5, 16283991), (15, 5427997), (103, 790485), (151, 539205), (309, 263495), (349, 233295), (453, 179735), (515, 158097), (755, 107841), (1047, 77765), (1545, 52699), (1745, 46659), (2265, 35947), (5235, 15553)]