71325891

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1193}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 128646336

約数和(自身を除く): 57320445

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 91, 117, 219, 273, 511, 657, 819, 949, 1193, 1533, 2847, 3579, 4599, 6643, 8351, 8541, 10737, 15509, 19929, 25053, 46527, 59787, 75159, 87089, 108563, 139581, 261267, 325689, 609623, 783801, 977067, 1132157, 1828869, 3396471, 5486607, 7925099, 10189413, 23775297, 71325891]

約数ペア:

[(1, 71325891), (3, 23775297), (7, 10189413), (9, 7925099), (13, 5486607), (21, 3396471), (39, 1828869), (63, 1132157), (73, 977067), (91, 783801), (117, 609623), (219, 325689), (273, 261267), (511, 139581), (657, 108563), (819, 87089), (949, 75159), (1193, 59787), (1533, 46527), (2847, 25053), (3579, 19929), (4599, 15509), (6643, 10737), (8351, 8541)]