28760085

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9539}}^1$

素因数の和:9617

約数の個数: 24

約数和(自身を含む): 50600160

約数和(自身を除く): 21840075

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 9539, 28617, 47695, 85851, 143085, 429255, 639113, 1917339, 3195565, 5752017, 9586695, 28760085]

約数ペア:

[(1, 28760085), (3, 9586695), (5, 5752017), (9, 3195565), (15, 1917339), (45, 639113), (67, 429255), (201, 143085), (335, 85851), (603, 47695), (1005, 28617), (3015, 9539)]