15916797

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 25656960

約数和(自身を除く): 9740163

約数列:

[1, 3, 9, 13, 27, 39, 117, 137, 331, 351, 411, 993, 1233, 1781, 2979, 3699, 4303, 5343, 8937, 12909, 16029, 38727, 45347, 48087, 116181, 136041, 408123, 589511, 1224369, 1768533, 5305599, 15916797]

約数ペア:

[(1, 15916797), (3, 5305599), (9, 1768533), (13, 1224369), (27, 589511), (39, 408123), (117, 136041), (137, 116181), (331, 48087), (351, 45347), (411, 38727), (993, 16029), (1233, 12909), (1781, 8937), (2979, 5343), (3699, 4303)]