506971521

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{72497}}^1$

素因数の和:72550

約数の個数: 32

約数和(自身を含む): 881575680

約数和(自身を除く): 374604159

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 72497, 217491, 507479, 652473, 1522437, 1957419, 2682389, 4567311, 8047167, 13701933, 18776723, 24141501, 56330169, 72424503, 168990507, 506971521]

約数ペア:

[(1, 506971521), (3, 168990507), (7, 72424503), (9, 56330169), (21, 24141501), (27, 18776723), (37, 13701933), (63, 8047167), (111, 4567311), (189, 2682389), (259, 1957419), (333, 1522437), (777, 652473), (999, 507479), (2331, 217491), (6993, 72497)]