16415217

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 32199552

約数和(自身を除く): 15784335

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 81, 91, 117, 119, 131, 153, 189, 221, 273, 351, 357, 393, 459, 567, 663, 819, 917, 1053, 1071, 1179, 1377, 1547, 1703, 1989, 2227, 2457, 2751, 3213, 3537, 4641, 5109, 5967, 6681, 7371, 8253, 9639, 10611, 11921, 13923, 15327, 15589, 17901, 20043, 24759, 28951, 35763, 41769, 45981, 46767, 60129, 74277, 86853, 107289, 125307, 137943, 140301, 180387, 202657, 260559, 321867, 420903, 607971, 781677, 965601, 1262709, 1823913, 2345031, 5471739, 16415217]

約数ペア:

[(1, 16415217), (3, 5471739), (7, 2345031), (9, 1823913), (13, 1262709), (17, 965601), (21, 781677), (27, 607971), (39, 420903), (51, 321867), (63, 260559), (81, 202657), (91, 180387), (117, 140301), (119, 137943), (131, 125307), (153, 107289), (189, 86853), (221, 74277), (273, 60129), (351, 46767), (357, 45981), (393, 41769), (459, 35763), (567, 28951), (663, 24759), (819, 20043), (917, 17901), (1053, 15589), (1071, 15327), (1179, 13923), (1377, 11921), (1547, 10611), (1703, 9639), (1989, 8253), (2227, 7371), (2457, 6681), (2751, 5967), (3213, 5109), (3537, 4641)]