28283577

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 44870400

約数和(自身を除く): 16586823

約数列:

[1, 3, 7, 21, 37, 89, 111, 259, 267, 409, 623, 777, 1227, 1869, 2863, 3293, 8589, 9879, 15133, 23051, 36401, 45399, 69153, 105931, 109203, 254807, 317793, 764421, 1346837, 4040511, 9427859, 28283577]

約数ペア:

[(1, 28283577), (3, 9427859), (7, 4040511), (21, 1346837), (37, 764421), (89, 317793), (111, 254807), (259, 109203), (267, 105931), (409, 69153), (623, 45399), (777, 36401), (1227, 23051), (1869, 15133), (2863, 9879), (3293, 8589)]