31820229

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5431}}^1$

素因数の和:5478

約数の個数: 32

約数和(自身を含む): 55623680

約数和(自身を除く): 23803451

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5431, 5859, 16293, 38017, 48879, 114051, 146637, 168361, 342153, 505083, 1026459, 1178527, 1515249, 3535581, 4545747, 10606743, 31820229]

約数ペア:

[(1, 31820229), (3, 10606743), (7, 4545747), (9, 3535581), (21, 1515249), (27, 1178527), (31, 1026459), (63, 505083), (93, 342153), (189, 168361), (217, 146637), (279, 114051), (651, 48879), (837, 38017), (1953, 16293), (5431, 5859)]