71397885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1303}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 123556608

約数和(自身を除く): 52158723

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 281, 843, 1303, 1405, 3653, 3909, 4215, 6515, 10959, 16939, 18265, 19545, 50817, 54795, 84695, 254085, 366143, 1098429, 1830715, 4759859, 5492145, 14279577, 23799295, 71397885]

約数ペア:

[(1, 71397885), (3, 23799295), (5, 14279577), (13, 5492145), (15, 4759859), (39, 1830715), (65, 1098429), (195, 366143), (281, 254085), (843, 84695), (1303, 54795), (1405, 50817), (3653, 19545), (3909, 18265), (4215, 16939), (6515, 10959)]