72920211

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3659}}^1$

素因数の和:3755

約数の個数: 32

約数和(自身を含む): 121336320

約数和(自身を除く): 48416109

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 3659, 6643, 10977, 19929, 25613, 47567, 76839, 142701, 267107, 332969, 801321, 998907, 1869749, 3472391, 5609247, 10417173, 24306737, 72920211]

約数ペア:

[(1, 72920211), (3, 24306737), (7, 10417173), (13, 5609247), (21, 3472391), (39, 1869749), (73, 998907), (91, 801321), (219, 332969), (273, 267107), (511, 142701), (949, 76839), (1533, 47567), (2847, 25613), (3659, 19929), (6643, 10977)]