28234575

素因数分解:

$3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 60

約数和(自身を含む): 53294208

約数和(自身を除く): 25059633

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 135, 191, 219, 225, 365, 405, 573, 657, 675, 955, 1095, 1719, 1825, 1971, 2025, 2865, 3285, 4775, 5157, 5475, 5913, 8595, 9855, 13943, 14325, 15471, 16425, 25785, 29565, 41829, 42975, 49275, 69715, 77355, 125487, 128925, 147825, 209145, 348575, 376461, 386775, 627435, 1045725, 1129383, 1882305, 3137175, 5646915, 9411525, 28234575]

約数ペア:

[(1, 28234575), (3, 9411525), (5, 5646915), (9, 3137175), (15, 1882305), (25, 1129383), (27, 1045725), (45, 627435), (73, 386775), (75, 376461), (81, 348575), (135, 209145), (191, 147825), (219, 128925), (225, 125487), (365, 77355), (405, 69715), (573, 49275), (657, 42975), (675, 41829), (955, 29565), (1095, 25785), (1719, 16425), (1825, 15471), (1971, 14325), (2025, 13943), (2865, 9855), (3285, 8595), (4775, 5913), (5157, 5475)]