210522249

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 359049600

約数和(自身を除く): 148527351

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 149, 287, 369, 447, 547, 861, 1043, 1341, 1641, 2583, 3129, 3829, 4923, 6109, 9387, 11487, 18327, 22427, 34461, 42763, 54981, 67281, 81503, 128289, 156989, 201843, 244509, 384867, 470967, 570521, 733527, 1412901, 1711563, 3341623, 5134689, 10024869, 23391361, 30074607, 70174083, 210522249]

約数ペア:

[(1, 210522249), (3, 70174083), (7, 30074607), (9, 23391361), (21, 10024869), (41, 5134689), (63, 3341623), (123, 1711563), (149, 1412901), (287, 733527), (369, 570521), (447, 470967), (547, 384867), (861, 244509), (1043, 201843), (1341, 156989), (1641, 128289), (2583, 81503), (3129, 67281), (3829, 54981), (4923, 42763), (6109, 34461), (9387, 22427), (11487, 18327)]