2809125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 5548608

約数和(自身を除く): 2739483

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 227, 275, 375, 495, 681, 825, 1125, 1135, 1375, 2043, 2475, 2497, 3405, 4125, 5675, 7491, 10215, 12375, 12485, 17025, 22473, 28375, 37455, 51075, 62425, 85125, 112365, 187275, 255375, 312125, 561825, 936375, 2809125]

約数ペア:

[(1, 2809125), (3, 936375), (5, 561825), (9, 312125), (11, 255375), (15, 187275), (25, 112365), (33, 85125), (45, 62425), (55, 51075), (75, 37455), (99, 28375), (125, 22473), (165, 17025), (225, 12485), (227, 12375), (275, 10215), (375, 7491), (495, 5675), (681, 4125), (825, 3405), (1125, 2497), (1135, 2475), (1375, 2043)]