25920453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 12786747

約数列:

[1, 3, 13, 39, 47, 79, 141, 179, 237, 537, 611, 1027, 1833, 2327, 3081, 3713, 6981, 8413, 11139, 14141, 25239, 42423, 48269, 109369, 144807, 183833, 328107, 551499, 664627, 1993881, 8640151, 25920453]

約数ペア:

[(1, 25920453), (3, 8640151), (13, 1993881), (39, 664627), (47, 551499), (79, 328107), (141, 183833), (179, 144807), (237, 109369), (537, 48269), (611, 42423), (1027, 25239), (1833, 14141), (2327, 11139), (3081, 8413), (3713, 6981)]