2697645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 4665600

約数和(自身を除く): 1967955

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 149, 213, 255, 355, 447, 745, 1065, 1207, 2235, 2533, 3621, 6035, 7599, 10579, 12665, 18105, 31737, 37995, 52895, 158685, 179843, 539529, 899215, 2697645]

約数ペア:

[(1, 2697645), (3, 899215), (5, 539529), (15, 179843), (17, 158685), (51, 52895), (71, 37995), (85, 31737), (149, 18105), (213, 12665), (255, 10579), (355, 7599), (447, 6035), (745, 3621), (1065, 2533), (1207, 2235)]