27807665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 36686520

約数和(自身を除く): 8878855

約数列:

[1, 5, 17, 29, 85, 145, 389, 493, 841, 1945, 2465, 4205, 6613, 11281, 14297, 33065, 56405, 71485, 191777, 327149, 958885, 1635745, 5561533, 27807665]

約数ペア:

[(1, 27807665), (5, 5561533), (17, 1635745), (29, 958885), (85, 327149), (145, 191777), (389, 71485), (493, 56405), (841, 33065), (1945, 14297), (2465, 11281), (4205, 6613)]