28912845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2213}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 50585472

約数和(自身を除く): 21672627

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 2213, 2613, 4355, 6639, 11065, 13065, 28769, 33195, 86307, 143845, 148271, 431535, 444813, 741355, 1927523, 2224065, 5782569, 9637615, 28912845]

約数ペア:

[(1, 28912845), (3, 9637615), (5, 5782569), (13, 2224065), (15, 1927523), (39, 741355), (65, 444813), (67, 431535), (195, 148271), (201, 143845), (335, 86307), (871, 33195), (1005, 28769), (2213, 13065), (2613, 11065), (4355, 6639)]