291213273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6959}}^1$

素因数の和:7041

約数の個数: 32

約数和(自身を含む): 444326400

約数和(自身を除く): 153113127

約数列:

[1, 3, 13, 29, 37, 39, 87, 111, 377, 481, 1073, 1131, 1443, 3219, 6959, 13949, 20877, 41847, 90467, 201811, 257483, 271401, 605433, 772449, 2623543, 3347279, 7467007, 7870629, 10041837, 22401021, 97071091, 291213273]

約数ペア:

[(1, 291213273), (3, 97071091), (13, 22401021), (29, 10041837), (37, 7870629), (39, 7467007), (87, 3347279), (111, 2623543), (377, 772449), (481, 605433), (1073, 271401), (1131, 257483), (1443, 201811), (3219, 90467), (6959, 41847), (13949, 20877)]