1205505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 2471040

約数和(自身を除く): 1265535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 89, 105, 129, 215, 267, 301, 315, 387, 445, 623, 645, 801, 903, 1335, 1505, 1869, 1935, 2709, 3115, 3827, 4005, 4515, 5607, 9345, 11481, 13545, 19135, 26789, 28035, 34443, 57405, 80367, 133945, 172215, 241101, 401835, 1205505]

約数ペア:

[(1, 1205505), (3, 401835), (5, 241101), (7, 172215), (9, 133945), (15, 80367), (21, 57405), (35, 34443), (43, 28035), (45, 26789), (63, 19135), (89, 13545), (105, 11481), (129, 9345), (215, 5607), (267, 4515), (301, 4005), (315, 3827), (387, 3115), (445, 2709), (623, 1935), (645, 1869), (801, 1505), (903, 1335)]