78171015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23581}}^1$

素因数の和:23619

約数の個数: 32

約数和(自身を含む): 142623936

約数和(自身を除く): 64452921

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 23581, 70743, 117905, 306553, 353715, 400877, 919659, 1202631, 1532765, 2004385, 4598295, 5211401, 6013155, 15634203, 26057005, 78171015]

約数ペア:

[(1, 78171015), (3, 26057005), (5, 15634203), (13, 6013155), (15, 5211401), (17, 4598295), (39, 2004385), (51, 1532765), (65, 1202631), (85, 919659), (195, 400877), (221, 353715), (255, 306553), (663, 117905), (1105, 70743), (3315, 23581)]