390550041

素因数分解:

$3^2\times 7^2\times {\mathrm{167}}^1\times {\mathrm{5303}}^1$

素因数の和:5490

約数の個数: 36

約数和(自身を含む): 660284352

約数和(自身を除く): 269734311

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 167, 441, 501, 1169, 1503, 3507, 5303, 8183, 10521, 15909, 24549, 37121, 47727, 73647, 111363, 259847, 334089, 779541, 885601, 2338623, 2656803, 6199207, 7970409, 18597621, 43394449, 55792863, 130183347, 390550041]

約数ペア:

[(1, 390550041), (3, 130183347), (7, 55792863), (9, 43394449), (21, 18597621), (49, 7970409), (63, 6199207), (147, 2656803), (167, 2338623), (441, 885601), (501, 779541), (1169, 334089), (1503, 259847), (3507, 111363), (5303, 73647), (8183, 47727), (10521, 37121), (15909, 24549)]