27420554

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 25221238

約数列:

[1, 2, 7, 14, 23, 31, 41, 46, 62, 67, 82, 134, 161, 217, 287, 322, 434, 469, 574, 713, 938, 943, 1271, 1426, 1541, 1886, 2077, 2542, 2747, 3082, 4154, 4991, 5494, 6601, 8897, 9982, 10787, 13202, 14539, 17794, 19229, 21574, 29078, 29233, 38458, 47771, 58466, 63181, 85157, 95542, 126362, 170314, 204631, 334397, 409262, 442267, 596099, 668794, 884534, 1192198, 1958611, 3917222, 13710277, 27420554]

約数ペア:

[(1, 27420554), (2, 13710277), (7, 3917222), (14, 1958611), (23, 1192198), (31, 884534), (41, 668794), (46, 596099), (62, 442267), (67, 409262), (82, 334397), (134, 204631), (161, 170314), (217, 126362), (287, 95542), (322, 85157), (434, 63181), (469, 58466), (574, 47771), (713, 38458), (938, 29233), (943, 29078), (1271, 21574), (1426, 19229), (1541, 17794), (1886, 14539), (2077, 13202), (2542, 10787), (2747, 9982), (3082, 8897), (4154, 6601), (4991, 5494)]