71613405

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17881}}^1$

素因数の和:17981

約数の個数: 24

約数和(自身を含む): 125531640

約数和(自身を除く): 53918235

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 17881, 53643, 89405, 160929, 268215, 804645, 1591409, 4774227, 7957045, 14322681, 23871135, 71613405]

約数ペア:

[(1, 71613405), (3, 23871135), (5, 14322681), (9, 7957045), (15, 4774227), (45, 1591409), (89, 804645), (267, 268215), (445, 160929), (801, 89405), (1335, 53643), (4005, 17881)]