28715061

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 41866240

約数和(自身を除く): 13151179

約数列:

[1, 3, 19, 57, 67, 73, 103, 201, 219, 309, 1273, 1387, 1957, 3819, 4161, 4891, 5871, 6901, 7519, 14673, 20703, 22557, 92929, 131119, 142861, 278787, 393357, 428583, 503773, 1511319, 9571687, 28715061]

約数ペア:

[(1, 28715061), (3, 9571687), (19, 1511319), (57, 503773), (67, 428583), (73, 393357), (103, 278787), (201, 142861), (219, 131119), (309, 92929), (1273, 22557), (1387, 20703), (1957, 14673), (3819, 7519), (4161, 6901), (4891, 5871)]