408026727

素因数分解:

$3^4\times {\mathrm{1721}}^1\times {\mathrm{2927}}^1$

素因数の和:4660

約数の個数: 20

約数和(自身を含む): 610083936

約数和(自身を除く): 202057209

約数列:

[1, 3, 9, 27, 81, 1721, 2927, 5163, 8781, 15489, 26343, 46467, 79029, 139401, 237087, 5037367, 15112101, 45336303, 136008909, 408026727]

約数ペア:

[(1, 408026727), (3, 136008909), (9, 45336303), (27, 15112101), (81, 5037367), (1721, 237087), (2927, 139401), (5163, 79029), (8781, 46467), (15489, 26343)]