248663115

素因数分解:

$3^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 451546368

約数和(自身を除く): 202883253

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 243, 309, 405, 515, 927, 1215, 1545, 1987, 2781, 4635, 5961, 8343, 9935, 13905, 17883, 25029, 29805, 41715, 53649, 89415, 125145, 160947, 204661, 268245, 482841, 613983, 804735, 1023305, 1841949, 2414205, 3069915, 5525847, 9209745, 16577541, 27629235, 49732623, 82887705, 248663115]

約数ペア:

[(1, 248663115), (3, 82887705), (5, 49732623), (9, 27629235), (15, 16577541), (27, 9209745), (45, 5525847), (81, 3069915), (103, 2414205), (135, 1841949), (243, 1023305), (309, 804735), (405, 613983), (515, 482841), (927, 268245), (1215, 204661), (1545, 160947), (1987, 125145), (2781, 89415), (4635, 53649), (5961, 41715), (8343, 29805), (9935, 25029), (13905, 17883)]