211320585

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{13691}}^1$

素因数の和:13723

約数の個数: 48

約数和(自身を含む): 427190400

約数和(自身を除く): 215869815

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 5145, 13691, 15435, 41073, 68455, 95837, 123219, 205365, 287511, 479185, 616095, 670859, 862533, 1437555, 2012577, 3354295, 4312665, 4696013, 6037731, 10062885, 14088039, 23480065, 30188655, 42264117, 70440195, 211320585]

約数ペア:

[(1, 211320585), (3, 70440195), (5, 42264117), (7, 30188655), (9, 23480065), (15, 14088039), (21, 10062885), (35, 6037731), (45, 4696013), (49, 4312665), (63, 3354295), (105, 2012577), (147, 1437555), (245, 862533), (315, 670859), (343, 616095), (441, 479185), (735, 287511), (1029, 205365), (1715, 123219), (2205, 95837), (3087, 68455), (5145, 41073), (13691, 15435)]