203428827

素因数分解:

$3^4\times 7^1\times {\mathrm{499}}^1\times {\mathrm{719}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 348480000

約数和(自身を除く): 145051173

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 499, 567, 719, 1497, 2157, 3493, 4491, 5033, 6471, 10479, 13473, 15099, 19413, 31437, 40419, 45297, 58239, 94311, 135891, 282933, 358781, 407673, 1076343, 2511467, 3229029, 7534401, 9687087, 22603203, 29061261, 67809609, 203428827]

約数ペア:

[(1, 203428827), (3, 67809609), (7, 29061261), (9, 22603203), (21, 9687087), (27, 7534401), (63, 3229029), (81, 2511467), (189, 1076343), (499, 407673), (567, 358781), (719, 282933), (1497, 135891), (2157, 94311), (3493, 58239), (4491, 45297), (5033, 40419), (6471, 31437), (10479, 19413), (13473, 15099)]