1908225

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 3839040

約数和(自身を除く): 1930815

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 257, 275, 297, 495, 675, 771, 825, 1285, 1485, 2313, 2475, 2827, 3855, 6425, 6939, 7425, 8481, 11565, 14135, 19275, 25443, 34695, 42405, 57825, 70675, 76329, 127215, 173475, 212025, 381645, 636075, 1908225]

約数ペア:

[(1, 1908225), (3, 636075), (5, 381645), (9, 212025), (11, 173475), (15, 127215), (25, 76329), (27, 70675), (33, 57825), (45, 42405), (55, 34695), (75, 25443), (99, 19275), (135, 14135), (165, 11565), (225, 8481), (257, 7425), (275, 6939), (297, 6425), (495, 3855), (675, 2827), (771, 2475), (825, 2313), (1285, 1485)]