87874731

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5147}}^1$

素因数の和:5431

約数の個数: 24

約数和(自身を含む): 145626624

約数和(自身を除く): 57751893

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1897, 2439, 5147, 5691, 15441, 17073, 36029, 46323, 108087, 324261, 1394837, 4184511, 9763859, 12553533, 29291577, 87874731]

約数ペア:

[(1, 87874731), (3, 29291577), (7, 12553533), (9, 9763859), (21, 4184511), (63, 1394837), (271, 324261), (813, 108087), (1897, 46323), (2439, 36029), (5147, 17073), (5691, 15441)]