28910475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11681}}^1$

素因数の和:11708

約数の個数: 36

約数和(自身を含む): 56494152

約数和(自身を除く): 27583677

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 11681, 35043, 58405, 105129, 128491, 175215, 292025, 385473, 525645, 642455, 876075, 1156419, 1927365, 2628225, 3212275, 5782095, 9636825, 28910475]

約数ペア:

[(1, 28910475), (3, 9636825), (5, 5782095), (9, 3212275), (11, 2628225), (15, 1927365), (25, 1156419), (33, 876075), (45, 642455), (55, 525645), (75, 385473), (99, 292025), (165, 175215), (225, 128491), (275, 105129), (495, 58405), (825, 35043), (2475, 11681)]