1298385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 2553408

約数和(自身を除く): 1255023

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 61, 99, 129, 165, 183, 215, 305, 387, 473, 495, 549, 645, 671, 915, 1419, 1935, 2013, 2365, 2623, 2745, 3355, 4257, 6039, 7095, 7869, 10065, 13115, 21285, 23607, 28853, 30195, 39345, 86559, 118035, 144265, 259677, 432795, 1298385]

約数ペア:

[(1, 1298385), (3, 432795), (5, 259677), (9, 144265), (11, 118035), (15, 86559), (33, 39345), (43, 30195), (45, 28853), (55, 23607), (61, 21285), (99, 13115), (129, 10065), (165, 7869), (183, 7095), (215, 6039), (305, 4257), (387, 3355), (473, 2745), (495, 2623), (549, 2365), (645, 2013), (671, 1935), (915, 1419)]