990787491

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{23813}}^1$

素因数の和:23912

約数の個数: 32

約数和(自身を含む): 1554577920

約数和(自身を除く): 563790429

約数列:

[1, 3, 9, 23, 27, 67, 69, 201, 207, 603, 621, 1541, 1809, 4623, 13869, 23813, 41607, 71439, 214317, 547699, 642951, 1595471, 1643097, 4786413, 4929291, 14359239, 14787873, 36695833, 43077717, 110087499, 330262497, 990787491]

約数ペア:

[(1, 990787491), (3, 330262497), (9, 110087499), (23, 43077717), (27, 36695833), (67, 14787873), (69, 14359239), (201, 4929291), (207, 4786413), (603, 1643097), (621, 1595471), (1541, 642951), (1809, 547699), (4623, 214317), (13869, 71439), (23813, 41607)]