664946595

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{208121}}^1$

素因数の和:208203

約数の個数: 24

約数和(自身を含む): 1168813152

約数和(自身を除く): 503866557

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 208121, 624363, 1040605, 1873089, 3121815, 9365445, 14776591, 44329773, 73882955, 132989319, 221648865, 664946595]

約数ペア:

[(1, 664946595), (3, 221648865), (5, 132989319), (9, 73882955), (15, 44329773), (45, 14776591), (71, 9365445), (213, 3121815), (355, 1873089), (639, 1040605), (1065, 624363), (3195, 208121)]