28740747

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1667}}^1$

素因数の和:2498

約数の個数: 16

約数和(自身を含む): 43875072

約数和(自身を除く): 15134325

約数列:

[1, 3, 7, 21, 821, 1667, 2463, 5001, 5747, 11669, 17241, 35007, 1368607, 4105821, 9580249, 28740747]

約数ペア:

[(1, 28740747), (3, 9580249), (7, 4105821), (21, 1368607), (821, 35007), (1667, 17241), (2463, 11669), (5001, 5747)]