145017117

素因数分解:

$3^2\times 7^2\times {\mathrm{328837}}^1$

素因数の和:328857

約数の個数: 18

約数和(自身を含む): 243668958

約数和(自身を除く): 98651841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 328837, 986511, 2301859, 2959533, 6905577, 16113013, 20716731, 48339039, 145017117]

約数ペア:

[(1, 145017117), (3, 48339039), (7, 20716731), (9, 16113013), (21, 6905577), (49, 2959533), (63, 2301859), (147, 986511), (441, 328837)]