28719075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4973}}^1$

素因数の和:5004

約数の個数: 48

約数和(自身を含む): 59210496

約数和(自身を除く): 30491421

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 4973, 5775, 14919, 24865, 34811, 54703, 74595, 104433, 124325, 164109, 174055, 273515, 372975, 382921, 522165, 820545, 870275, 1148763, 1367575, 1914605, 2610825, 4102725, 5743815, 9573025, 28719075]

約数ペア:

[(1, 28719075), (3, 9573025), (5, 5743815), (7, 4102725), (11, 2610825), (15, 1914605), (21, 1367575), (25, 1148763), (33, 870275), (35, 820545), (55, 522165), (75, 382921), (77, 372975), (105, 273515), (165, 174055), (175, 164109), (231, 124325), (275, 104433), (385, 74595), (525, 54703), (825, 34811), (1155, 24865), (1925, 14919), (4973, 5775)]