12728937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 19692288

約数和(自身を除く): 6963351

約数列:

[1, 3, 13, 17, 39, 51, 73, 219, 221, 263, 663, 789, 949, 1241, 2847, 3419, 3723, 4471, 10257, 13413, 16133, 19199, 48399, 57597, 58123, 174369, 249587, 326383, 748761, 979149, 4242979, 12728937]

約数ペア:

[(1, 12728937), (3, 4242979), (13, 979149), (17, 748761), (39, 326383), (51, 249587), (73, 174369), (219, 58123), (221, 57597), (263, 48399), (663, 19199), (789, 16133), (949, 13413), (1241, 10257), (2847, 4471), (3419, 3723)]