991874163

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{64613}}^1$

素因数の和:64683

約数の個数: 32

約数和(自身を含む): 1637577216

約数和(自身を除く): 645703053

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 2193, 5117, 15351, 64613, 193839, 452291, 1098421, 1356873, 2778359, 3295263, 7688947, 8335077, 19448513, 23066841, 47232103, 58345539, 141696309, 330624721, 991874163]

約数ペア:

[(1, 991874163), (3, 330624721), (7, 141696309), (17, 58345539), (21, 47232103), (43, 23066841), (51, 19448513), (119, 8335077), (129, 7688947), (301, 3295263), (357, 2778359), (731, 1356873), (903, 1098421), (2193, 452291), (5117, 193839), (15351, 64613)]