28973721

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 17474919

約数列:

[1, 3, 7, 21, 23, 69, 161, 223, 269, 483, 669, 807, 1561, 1883, 4683, 5129, 5649, 6187, 15387, 18561, 35903, 43309, 59987, 107709, 129927, 179961, 419909, 1259727, 1379701, 4139103, 9657907, 28973721]

約数ペア:

[(1, 28973721), (3, 9657907), (7, 4139103), (21, 1379701), (23, 1259727), (69, 419909), (161, 179961), (223, 129927), (269, 107709), (483, 59987), (669, 43309), (807, 35903), (1561, 18561), (1883, 15387), (4683, 6187), (5129, 5649)]