16965585

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1415

約数の個数: 64

約数和(自身を含む): 37148160

約数和(自身を除く): 20182575

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1381, 1755, 2457, 4095, 4143, 6905, 9667, 12285, 12429, 17953, 20715, 29001, 37287, 48335, 53859, 62145, 87003, 89765, 125671, 145005, 161577, 186435, 261009, 269295, 377013, 435015, 484731, 628355, 807885, 1131039, 1305045, 1885065, 2423655, 3393117, 5655195, 16965585]

約数ペア:

[(1, 16965585), (3, 5655195), (5, 3393117), (7, 2423655), (9, 1885065), (13, 1305045), (15, 1131039), (21, 807885), (27, 628355), (35, 484731), (39, 435015), (45, 377013), (63, 269295), (65, 261009), (91, 186435), (105, 161577), (117, 145005), (135, 125671), (189, 89765), (195, 87003), (273, 62145), (315, 53859), (351, 48335), (455, 37287), (585, 29001), (819, 20715), (945, 17953), (1365, 12429), (1381, 12285), (1755, 9667), (2457, 6905), (4095, 4143)]