67575915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 128583936

約数和(自身を除く): 61008021

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 211, 495, 633, 647, 1055, 1899, 1941, 2321, 3165, 3235, 5823, 6963, 7117, 9495, 9705, 11605, 20889, 21351, 29115, 34815, 35585, 64053, 104445, 106755, 136517, 320265, 409551, 682585, 1228653, 1501687, 2047755, 4505061, 6143265, 7508435, 13515183, 22525305, 67575915]

約数ペア:

[(1, 67575915), (3, 22525305), (5, 13515183), (9, 7508435), (11, 6143265), (15, 4505061), (33, 2047755), (45, 1501687), (55, 1228653), (99, 682585), (165, 409551), (211, 320265), (495, 136517), (633, 106755), (647, 104445), (1055, 64053), (1899, 35585), (1941, 34815), (2321, 29115), (3165, 21351), (3235, 20889), (5823, 11605), (6963, 9705), (7117, 9495)]