247647585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{23687}}^1$

素因数の和:23753

約数の個数: 32

約数和(自身を含む): 429795072

約数和(自身を除く): 182147487

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 10455, 23687, 71061, 118435, 355305, 402679, 971167, 1208037, 2013395, 2913501, 4855835, 6040185, 14567505, 16509839, 49529517, 82549195, 247647585]

約数ペア:

[(1, 247647585), (3, 82549195), (5, 49529517), (15, 16509839), (17, 14567505), (41, 6040185), (51, 4855835), (85, 2913501), (123, 2013395), (205, 1208037), (255, 971167), (615, 402679), (697, 355305), (2091, 118435), (3485, 71061), (10455, 23687)]