28700469

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23977}}^1$

素因数の和:24009

約数の個数: 24

約数和(自身を含む): 49874240

約数和(自身を除く): 21173771

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23977, 71931, 167839, 215793, 455563, 503517, 1366689, 1510551, 3188941, 4100067, 9566823, 28700469]

約数ペア:

[(1, 28700469), (3, 9566823), (7, 4100067), (9, 3188941), (19, 1510551), (21, 1366689), (57, 503517), (63, 455563), (133, 215793), (171, 167839), (399, 71931), (1197, 23977)]