27489255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 22691865

約数列:

[1, 3, 5, 15, 17, 23, 43, 51, 69, 85, 109, 115, 129, 215, 255, 327, 345, 391, 545, 645, 731, 989, 1173, 1635, 1853, 1955, 2193, 2507, 2967, 3655, 4687, 4945, 5559, 5865, 7521, 9265, 10965, 12535, 14061, 14835, 16813, 23435, 27795, 37605, 42619, 50439, 70305, 79679, 84065, 107801, 127857, 213095, 239037, 252195, 323403, 398395, 539005, 639285, 1195185, 1617015, 1832617, 5497851, 9163085, 27489255]

約数ペア:

[(1, 27489255), (3, 9163085), (5, 5497851), (15, 1832617), (17, 1617015), (23, 1195185), (43, 639285), (51, 539005), (69, 398395), (85, 323403), (109, 252195), (115, 239037), (129, 213095), (215, 127857), (255, 107801), (327, 84065), (345, 79679), (391, 70305), (545, 50439), (645, 42619), (731, 37605), (989, 27795), (1173, 23435), (1635, 16813), (1853, 14835), (1955, 14061), (2193, 12535), (2507, 10965), (2967, 9265), (3655, 7521), (4687, 5865), (4945, 5559)]