27810315

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 52442208

約数和(自身を除く): 24631893

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 137, 195, 347, 411, 585, 685, 1041, 1233, 1735, 1781, 2055, 3123, 4511, 5205, 5343, 6165, 8905, 13533, 15615, 16029, 22555, 26715, 40599, 47539, 67665, 80145, 142617, 202995, 237695, 427851, 618007, 713085, 1854021, 2139255, 3090035, 5562063, 9270105, 27810315]

約数ペア:

[(1, 27810315), (3, 9270105), (5, 5562063), (9, 3090035), (13, 2139255), (15, 1854021), (39, 713085), (45, 618007), (65, 427851), (117, 237695), (137, 202995), (195, 142617), (347, 80145), (411, 67665), (585, 47539), (685, 40599), (1041, 26715), (1233, 22555), (1735, 16029), (1781, 15615), (2055, 13533), (3123, 8905), (4511, 6165), (5205, 5343)]