201616947

素因数分解:

$3^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{4451}}^1$

素因数の和:5183

約数の個数: 24

約数和(自身を含む): 333365760

約数和(自身を除く): 131748813

約数列:

[1, 3, 7, 9, 21, 63, 719, 2157, 4451, 5033, 6471, 13353, 15099, 31157, 40059, 45297, 93471, 280413, 3200269, 9600807, 22401883, 28802421, 67205649, 201616947]

約数ペア:

[(1, 201616947), (3, 67205649), (7, 28802421), (9, 22401883), (21, 9600807), (63, 3200269), (719, 280413), (2157, 93471), (4451, 45297), (5033, 40059), (6471, 31157), (13353, 15099)]