289333821

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{5101}}^1$

素因数の和:5221

約数の個数: 32

約数和(自身を含む): 459098368

約数和(自身を除く): 169764547

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 511, 777, 1533, 2701, 5101, 8103, 15303, 18907, 35707, 56721, 107121, 188737, 372373, 566211, 1117119, 1321159, 2606611, 3963477, 7819833, 13777801, 41333403, 96444607, 289333821]

約数ペア:

[(1, 289333821), (3, 96444607), (7, 41333403), (21, 13777801), (37, 7819833), (73, 3963477), (111, 2606611), (219, 1321159), (259, 1117119), (511, 566211), (777, 372373), (1533, 188737), (2701, 107121), (5101, 56721), (8103, 35707), (15303, 18907)]