209970915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1699}}^1$

素因数の和:1832

約数の個数: 64

約数和(自身を含む): 423014400

約数和(自身を除く): 213043485

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 107, 165, 231, 321, 385, 535, 749, 1155, 1177, 1605, 1699, 2247, 3531, 3745, 5097, 5885, 8239, 8495, 11235, 11893, 17655, 18689, 24717, 25485, 35679, 41195, 56067, 59465, 93445, 123585, 130823, 178395, 181793, 280335, 392469, 545379, 654115, 908965, 1272551, 1962345, 1999723, 2726895, 3817653, 5999169, 6362755, 9998615, 13998061, 19088265, 29995845, 41994183, 69990305, 209970915]

約数ペア:

[(1, 209970915), (3, 69990305), (5, 41994183), (7, 29995845), (11, 19088265), (15, 13998061), (21, 9998615), (33, 6362755), (35, 5999169), (55, 3817653), (77, 2726895), (105, 1999723), (107, 1962345), (165, 1272551), (231, 908965), (321, 654115), (385, 545379), (535, 392469), (749, 280335), (1155, 181793), (1177, 178395), (1605, 130823), (1699, 123585), (2247, 93445), (3531, 59465), (3745, 56067), (5097, 41195), (5885, 35679), (8239, 25485), (8495, 24717), (11235, 18689), (11893, 17655)]