85905915

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 140097600

約数和(自身を除く): 54191685

約数列:

[1, 3, 5, 15, 89, 229, 267, 281, 445, 687, 843, 1145, 1335, 1405, 3435, 4215, 20381, 25009, 61143, 64349, 75027, 101905, 125045, 193047, 305715, 321745, 375135, 965235, 5727061, 17181183, 28635305, 85905915]

約数ペア:

[(1, 85905915), (3, 28635305), (5, 17181183), (15, 5727061), (89, 965235), (229, 375135), (267, 321745), (281, 305715), (445, 193047), (687, 125045), (843, 101905), (1145, 75027), (1335, 64349), (1405, 61143), (3435, 25009), (4215, 20381)]