3949245

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 7488000

約数和(自身を除く): 3538755

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 149, 155, 171, 279, 285, 447, 465, 589, 745, 855, 1341, 1395, 1767, 2235, 2831, 2945, 4619, 5301, 6705, 8493, 8835, 13857, 14155, 23095, 25479, 26505, 41571, 42465, 69285, 87761, 127395, 207855, 263283, 438805, 789849, 1316415, 3949245]

約数ペア:

[(1, 3949245), (3, 1316415), (5, 789849), (9, 438805), (15, 263283), (19, 207855), (31, 127395), (45, 87761), (57, 69285), (93, 42465), (95, 41571), (149, 26505), (155, 25479), (171, 23095), (279, 14155), (285, 13857), (447, 8835), (465, 8493), (589, 6705), (745, 5301), (855, 4619), (1341, 2945), (1395, 2831), (1767, 2235)]