71325885

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 118674432

約数和(自身を除く): 47348547

約数列:

[1, 3, 5, 15, 31, 93, 155, 157, 465, 471, 785, 977, 2355, 2931, 4867, 4885, 14601, 14655, 24335, 30287, 73005, 90861, 151435, 153389, 454305, 460167, 766945, 2300835, 4755059, 14265177, 23775295, 71325885]

約数ペア:

[(1, 71325885), (3, 23775295), (5, 14265177), (15, 4755059), (31, 2300835), (93, 766945), (155, 460167), (157, 454305), (465, 153389), (471, 151435), (785, 90861), (977, 73005), (2355, 30287), (2931, 24335), (4867, 14655), (4885, 14601)]