1311765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 2669184

約数和(自身を除く): 1357419

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 155, 195, 217, 273, 403, 455, 465, 651, 961, 1085, 1209, 1365, 2015, 2821, 2883, 3255, 4805, 6045, 6727, 8463, 12493, 14105, 14415, 20181, 33635, 37479, 42315, 62465, 87451, 100905, 187395, 262353, 437255, 1311765]

約数ペア:

[(1, 1311765), (3, 437255), (5, 262353), (7, 187395), (13, 100905), (15, 87451), (21, 62465), (31, 42315), (35, 37479), (39, 33635), (65, 20181), (91, 14415), (93, 14105), (105, 12493), (155, 8463), (195, 6727), (217, 6045), (273, 4805), (403, 3255), (455, 2883), (465, 2821), (651, 2015), (961, 1365), (1085, 1209)]