207907425

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{28001}}^1$

素因数の和:28031

約数の個数: 48

約数和(自身を含む): 416669760

約数和(自身を除く): 208762335

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 7425, 28001, 84003, 140005, 252009, 308011, 420015, 700025, 756027, 924033, 1260045, 1540055, 2100075, 2772099, 3780135, 4620165, 6300225, 7700275, 8316297, 13860495, 18900675, 23100825, 41581485, 69302475, 207907425]

約数ペア:

[(1, 207907425), (3, 69302475), (5, 41581485), (9, 23100825), (11, 18900675), (15, 13860495), (25, 8316297), (27, 7700275), (33, 6300225), (45, 4620165), (55, 3780135), (75, 2772099), (99, 2100075), (135, 1540055), (165, 1260045), (225, 924033), (275, 756027), (297, 700025), (495, 420015), (675, 308011), (825, 252009), (1485, 140005), (2475, 84003), (7425, 28001)]