5728821

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 9178368

約数和(自身を除く): 3449547

約数列:

[1, 3, 7, 21, 37, 73, 101, 111, 219, 259, 303, 511, 707, 777, 1533, 2121, 2701, 3737, 7373, 8103, 11211, 18907, 22119, 26159, 51611, 56721, 78477, 154833, 272801, 818403, 1909607, 5728821]

約数ペア:

[(1, 5728821), (3, 1909607), (7, 818403), (21, 272801), (37, 154833), (73, 78477), (101, 56721), (111, 51611), (219, 26159), (259, 22119), (303, 18907), (511, 11211), (707, 8103), (777, 7373), (1533, 3737), (2121, 2701)]