7211451

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 11188800

約数和(自身を除く): 3977349

約数列:

[1, 3, 13, 17, 39, 51, 73, 149, 219, 221, 447, 663, 949, 1241, 1937, 2533, 2847, 3723, 5811, 7599, 10877, 16133, 32631, 32929, 48399, 98787, 141401, 184909, 424203, 554727, 2403817, 7211451]

約数ペア:

[(1, 7211451), (3, 2403817), (13, 554727), (17, 424203), (39, 184909), (51, 141401), (73, 98787), (149, 48399), (219, 32929), (221, 32631), (447, 16133), (663, 10877), (949, 7599), (1241, 5811), (1937, 3723), (2533, 2847)]