218633745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 406093824

約数和(自身を除く): 187460079

約数列:

[1, 3, 5, 11, 15, 23, 33, 53, 55, 69, 115, 159, 165, 253, 265, 345, 583, 759, 795, 1087, 1219, 1265, 1749, 2915, 3261, 3657, 3795, 5435, 6095, 8745, 11957, 13409, 16305, 18285, 25001, 35871, 40227, 57611, 59785, 67045, 75003, 125005, 172833, 179355, 201135, 275011, 288055, 375015, 633721, 825033, 864165, 1325053, 1375055, 1901163, 3168605, 3975159, 4125165, 6625265, 9505815, 14575583, 19875795, 43726749, 72877915, 218633745]

約数ペア:

[(1, 218633745), (3, 72877915), (5, 43726749), (11, 19875795), (15, 14575583), (23, 9505815), (33, 6625265), (53, 4125165), (55, 3975159), (69, 3168605), (115, 1901163), (159, 1375055), (165, 1325053), (253, 864165), (265, 825033), (345, 633721), (583, 375015), (759, 288055), (795, 275011), (1087, 201135), (1219, 179355), (1265, 172833), (1749, 125005), (2915, 75003), (3261, 67045), (3657, 59785), (3795, 57611), (5435, 40227), (6095, 35871), (8745, 25001), (11957, 18285), (13409, 16305)]