210355965

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 371358000

約数和(自身を除く): 161002035

約数列:

[1, 3, 5, 9, 15, 45, 137, 149, 229, 411, 447, 685, 687, 745, 1145, 1233, 1341, 2055, 2061, 2235, 3435, 6165, 6705, 10305, 20413, 31373, 34121, 61239, 94119, 102065, 102363, 156865, 170605, 183717, 282357, 306195, 307089, 470595, 511815, 918585, 1411785, 1535445, 4674577, 14023731, 23372885, 42071193, 70118655, 210355965]

約数ペア:

[(1, 210355965), (3, 70118655), (5, 42071193), (9, 23372885), (15, 14023731), (45, 4674577), (137, 1535445), (149, 1411785), (229, 918585), (411, 511815), (447, 470595), (685, 307089), (687, 306195), (745, 282357), (1145, 183717), (1233, 170605), (1341, 156865), (2055, 102363), (2061, 102065), (2235, 94119), (3435, 61239), (6165, 34121), (6705, 31373), (10305, 20413)]