201680955

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{467}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 411540480

約数和(自身を除く): 209859525

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 457, 467, 945, 1371, 1401, 2285, 2335, 3199, 3269, 4113, 4203, 6855, 7005, 9597, 9807, 12339, 12609, 15995, 16345, 20565, 21015, 28791, 29421, 47985, 49035, 61695, 63045, 86373, 88263, 143955, 147105, 213419, 431865, 441315, 640257, 1067095, 1493933, 1920771, 3201285, 4481799, 5762313, 7469665, 9603855, 13445397, 22408995, 28811565, 40336191, 67226985, 201680955]

約数ペア:

[(1, 201680955), (3, 67226985), (5, 40336191), (7, 28811565), (9, 22408995), (15, 13445397), (21, 9603855), (27, 7469665), (35, 5762313), (45, 4481799), (63, 3201285), (105, 1920771), (135, 1493933), (189, 1067095), (315, 640257), (457, 441315), (467, 431865), (945, 213419), (1371, 147105), (1401, 143955), (2285, 88263), (2335, 86373), (3199, 63045), (3269, 61695), (4113, 49035), (4203, 47985), (6855, 29421), (7005, 28791), (9597, 21015), (9807, 20565), (12339, 16345), (12609, 15995)]