210978495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51521}}^1$

素因数の和:51552

約数の個数: 48

約数和(自身を含む): 450096192

約数和(自身を除く): 239117697

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 51521, 154563, 257605, 360647, 463689, 669773, 772815, 1081941, 1803235, 2009319, 2318445, 3245823, 3348865, 4688411, 5409705, 6027957, 10046595, 14065233, 16229115, 23442055, 30139785, 42195699, 70326165, 210978495]

約数ペア:

[(1, 210978495), (3, 70326165), (5, 42195699), (7, 30139785), (9, 23442055), (13, 16229115), (15, 14065233), (21, 10046595), (35, 6027957), (39, 5409705), (45, 4688411), (63, 3348865), (65, 3245823), (91, 2318445), (105, 2009319), (117, 1803235), (195, 1081941), (273, 772815), (315, 669773), (455, 463689), (585, 360647), (819, 257605), (1365, 154563), (4095, 51521)]