28887939

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 44009472

約数和(自身を除く): 15121533

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 2203, 4371, 6609, 13113, 19827, 68293, 103541, 204879, 310623, 614637, 931869, 3209771, 9629313, 28887939]

約数ペア:

[(1, 28887939), (3, 9629313), (9, 3209771), (31, 931869), (47, 614637), (93, 310623), (141, 204879), (279, 103541), (423, 68293), (1457, 19827), (2203, 13113), (4371, 6609)]