28785687

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3319}}^1$

素因数の和:3395

約数の個数: 24

約数和(自身を含む): 45417600

約数和(自身を除く): 16631913

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2891, 3319, 8673, 9957, 23233, 69699, 162631, 195821, 487893, 587463, 1370747, 4112241, 9595229, 28785687]

約数ペア:

[(1, 28785687), (3, 9595229), (7, 4112241), (21, 1370747), (49, 587463), (59, 487893), (147, 195821), (177, 162631), (413, 69699), (1239, 23233), (2891, 9957), (3319, 8673)]