79680705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1019}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 137773440

約数和(自身を除く): 58092735

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 401, 1019, 1203, 2005, 3057, 5095, 5213, 6015, 13247, 15285, 15639, 26065, 39741, 66235, 78195, 198705, 408619, 1225857, 2043095, 5312047, 6129285, 15936141, 26560235, 79680705]

約数ペア:

[(1, 79680705), (3, 26560235), (5, 15936141), (13, 6129285), (15, 5312047), (39, 2043095), (65, 1225857), (195, 408619), (401, 198705), (1019, 78195), (1203, 66235), (2005, 39741), (3057, 26065), (5095, 15639), (5213, 15285), (6015, 13247)]