30317985

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 24456735

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 131, 139, 185, 333, 393, 417, 555, 655, 695, 1179, 1251, 1665, 1965, 2085, 4847, 5143, 5895, 6255, 14541, 15429, 18209, 24235, 25715, 43623, 46287, 54627, 72705, 77145, 91045, 163881, 218115, 231435, 273135, 673733, 819405, 2021199, 3368665, 6063597, 10105995, 30317985]

約数ペア:

[(1, 30317985), (3, 10105995), (5, 6063597), (9, 3368665), (15, 2021199), (37, 819405), (45, 673733), (111, 273135), (131, 231435), (139, 218115), (185, 163881), (333, 91045), (393, 77145), (417, 72705), (555, 54627), (655, 46287), (695, 43623), (1179, 25715), (1251, 24235), (1665, 18209), (1965, 15429), (2085, 14541), (4847, 6255), (5143, 5895)]