28691121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 44150400

約数和(自身を除く): 15459279

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 323, 493, 551, 969, 1021, 1479, 1653, 3063, 9367, 17357, 19399, 28101, 29609, 52071, 58197, 88827, 329783, 503353, 562571, 989349, 1510059, 1687713, 9563707, 28691121]

約数ペア:

[(1, 28691121), (3, 9563707), (17, 1687713), (19, 1510059), (29, 989349), (51, 562571), (57, 503353), (87, 329783), (323, 88827), (493, 58197), (551, 52071), (969, 29609), (1021, 28101), (1479, 19399), (1653, 17357), (3063, 9367)]