1405971

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 2449920

約数和(自身を除く): 1043949

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 173, 189, 301, 387, 519, 903, 1161, 1211, 1557, 2709, 3633, 4671, 7439, 8127, 10899, 22317, 32697, 52073, 66951, 156219, 200853, 468657, 1405971]

約数ペア:

[(1, 1405971), (3, 468657), (7, 200853), (9, 156219), (21, 66951), (27, 52073), (43, 32697), (63, 22317), (129, 10899), (173, 8127), (189, 7439), (301, 4671), (387, 3633), (519, 2709), (903, 1557), (1161, 1211)]