16125165

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 33291648

約数和(自身を除く): 17166483

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 71, 103, 105, 147, 213, 245, 309, 315, 355, 441, 497, 515, 639, 721, 735, 927, 1065, 1491, 1545, 2163, 2205, 2485, 3195, 3479, 3605, 4473, 4635, 5047, 6489, 7313, 7455, 10437, 10815, 15141, 17395, 21939, 22365, 25235, 31311, 32445, 36565, 45423, 51191, 52185, 65817, 75705, 109695, 153573, 156555, 227115, 255955, 329085, 358337, 460719, 767865, 1075011, 1791685, 2303595, 3225033, 5375055, 16125165]

約数ペア:

[(1, 16125165), (3, 5375055), (5, 3225033), (7, 2303595), (9, 1791685), (15, 1075011), (21, 767865), (35, 460719), (45, 358337), (49, 329085), (63, 255955), (71, 227115), (103, 156555), (105, 153573), (147, 109695), (213, 75705), (245, 65817), (309, 52185), (315, 51191), (355, 45423), (441, 36565), (497, 32445), (515, 31311), (639, 25235), (721, 22365), (735, 21939), (927, 17395), (1065, 15141), (1491, 10815), (1545, 10437), (2163, 7455), (2205, 7313), (2485, 6489), (3195, 5047), (3479, 4635), (3605, 4473)]