81670428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324089}}^1$

素因数の和:324106

約数の個数: 36

約数和(自身を含む): 235937520

約数和(自身を除く): 154267092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324089, 648178, 972267, 1296356, 1944534, 2268623, 2916801, 3889068, 4537246, 5833602, 6805869, 9074492, 11667204, 13611738, 20417607, 27223476, 40835214, 81670428]

約数ペア:

[(1, 81670428), (2, 40835214), (3, 27223476), (4, 20417607), (6, 13611738), (7, 11667204), (9, 9074492), (12, 6805869), (14, 5833602), (18, 4537246), (21, 3889068), (28, 2916801), (36, 2268623), (42, 1944534), (63, 1296356), (84, 972267), (126, 648178), (252, 324089)]