28152243

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 50668800

約数和(自身を除く): 22516557

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 811, 1197, 1653, 1827, 2433, 3857, 4959, 5677, 7299, 11571, 15409, 17031, 23519, 34713, 46227, 51093, 70557, 107863, 138681, 164633, 211671, 323589, 446861, 493899, 970767, 1340583, 1481697, 3128027, 4021749, 9384081, 28152243]

約数ペア:

[(1, 28152243), (3, 9384081), (7, 4021749), (9, 3128027), (19, 1481697), (21, 1340583), (29, 970767), (57, 493899), (63, 446861), (87, 323589), (133, 211671), (171, 164633), (203, 138681), (261, 107863), (399, 70557), (551, 51093), (609, 46227), (811, 34713), (1197, 23519), (1653, 17031), (1827, 15409), (2433, 11571), (3857, 7299), (4959, 5677)]