219587433

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 322019712

約数和(自身を除く): 102432279

約数列:

[1, 3, 13, 39, 101, 107, 303, 321, 521, 1313, 1391, 1563, 3939, 4173, 6773, 10807, 20319, 32421, 52621, 55747, 140491, 157863, 167241, 421473, 684073, 724711, 2052219, 2174133, 5630447, 16891341, 73195811, 219587433]

約数ペア:

[(1, 219587433), (3, 73195811), (13, 16891341), (39, 5630447), (101, 2174133), (107, 2052219), (303, 724711), (321, 684073), (521, 421473), (1313, 167241), (1391, 157863), (1563, 140491), (3939, 55747), (4173, 52621), (6773, 32421), (10807, 20319)]