131647515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 226278144

約数和(自身を除く): 94630629

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 227, 345, 615, 681, 943, 1135, 1681, 2829, 3405, 4715, 5043, 5221, 8405, 9307, 14145, 15663, 25215, 26105, 27921, 38663, 46535, 78315, 115989, 139605, 193315, 214061, 381587, 579945, 642183, 1070305, 1144761, 1907935, 3210915, 5723805, 8776501, 26329503, 43882505, 131647515]

約数ペア:

[(1, 131647515), (3, 43882505), (5, 26329503), (15, 8776501), (23, 5723805), (41, 3210915), (69, 1907935), (115, 1144761), (123, 1070305), (205, 642183), (227, 579945), (345, 381587), (615, 214061), (681, 193315), (943, 139605), (1135, 115989), (1681, 78315), (2829, 46535), (3405, 38663), (4715, 27921), (5043, 26105), (5221, 25215), (8405, 15663), (9307, 14145)]