28072275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4861}}^1$

素因数の和:4892

約数の個数: 48

約数和(自身を含む): 57877248

約数和(自身を除く): 29804973

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, 4861, 5775, 14583, 24305, 34027, 53471, 72915, 102081, 121525, 160413, 170135, 267355, 364575, 374297, 510405, 802065, 850675, 1122891, 1336775, 1871485, 2552025, 4010325, 5614455, 9357425, 28072275]

約数ペア:

[(1, 28072275), (3, 9357425), (5, 5614455), (7, 4010325), (11, 2552025), (15, 1871485), (21, 1336775), (25, 1122891), (33, 850675), (35, 802065), (55, 510405), (75, 374297), (77, 364575), (105, 267355), (165, 170135), (175, 160413), (231, 121525), (275, 102081), (385, 72915), (525, 53471), (825, 34027), (1155, 24305), (1925, 14583), (4861, 5775)]