64305855

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 115315200

約数和(自身を除く): 51009345

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 167, 199, 215, 387, 501, 597, 645, 835, 995, 1503, 1791, 1935, 2505, 2985, 7181, 7515, 8557, 8955, 21543, 25671, 33233, 35905, 42785, 64629, 77013, 99699, 107715, 128355, 166165, 299097, 323145, 385065, 498495, 1429019, 1495485, 4287057, 7145095, 12861171, 21435285, 64305855]

約数ペア:

[(1, 64305855), (3, 21435285), (5, 12861171), (9, 7145095), (15, 4287057), (43, 1495485), (45, 1429019), (129, 498495), (167, 385065), (199, 323145), (215, 299097), (387, 166165), (501, 128355), (597, 107715), (645, 99699), (835, 77013), (995, 64629), (1503, 42785), (1791, 35905), (1935, 33233), (2505, 25671), (2985, 21543), (7181, 8955), (7515, 8557)]