3973725

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{29}}^2$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 8640320

約数和(自身を除く): 4666595

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 29, 35, 45, 63, 75, 87, 105, 135, 145, 175, 189, 203, 225, 261, 315, 435, 525, 609, 675, 725, 783, 841, 945, 1015, 1305, 1575, 1827, 2175, 2523, 3045, 3915, 4205, 4725, 5075, 5481, 5887, 6525, 7569, 9135, 12615, 15225, 17661, 19575, 21025, 22707, 27405, 29435, 37845, 45675, 52983, 63075, 88305, 113535, 137025, 147175, 158949, 189225, 264915, 441525, 567675, 794745, 1324575, 3973725]

約数ペア:

[(1, 3973725), (3, 1324575), (5, 794745), (7, 567675), (9, 441525), (15, 264915), (21, 189225), (25, 158949), (27, 147175), (29, 137025), (35, 113535), (45, 88305), (63, 63075), (75, 52983), (87, 45675), (105, 37845), (135, 29435), (145, 27405), (175, 22707), (189, 21025), (203, 19575), (225, 17661), (261, 15225), (315, 12615), (435, 9135), (525, 7569), (609, 6525), (675, 5887), (725, 5481), (783, 5075), (841, 4725), (945, 4205), (1015, 3915), (1305, 3045), (1575, 2523), (1827, 2175)]