209385

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:75

約数の個数: 40

約数和(自身を含む): 418176

約数和(自身を除く): 208791

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 47, 55, 81, 99, 135, 141, 165, 235, 297, 405, 423, 495, 517, 705, 891, 1269, 1485, 1551, 2115, 2585, 3807, 4455, 4653, 6345, 7755, 13959, 19035, 23265, 41877, 69795, 209385]

約数ペア:

[(1, 209385), (3, 69795), (5, 41877), (9, 23265), (11, 19035), (15, 13959), (27, 7755), (33, 6345), (45, 4653), (47, 4455), (55, 3807), (81, 2585), (99, 2115), (135, 1551), (141, 1485), (165, 1269), (235, 891), (297, 705), (405, 517), (423, 495)]