213883075

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 36

約数和(自身を含む): 310785168

約数和(自身を除く): 96902093

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 661, 1075, 1505, 1849, 3305, 4627, 7525, 9245, 12943, 16525, 23135, 28423, 46225, 64715, 115675, 142115, 198961, 323575, 710575, 994805, 1222189, 4974025, 6110945, 8555323, 30554725, 42776615, 213883075]

約数ペア:

[(1, 213883075), (5, 42776615), (7, 30554725), (25, 8555323), (35, 6110945), (43, 4974025), (175, 1222189), (215, 994805), (301, 710575), (661, 323575), (1075, 198961), (1505, 142115), (1849, 115675), (3305, 64715), (4627, 46225), (7525, 28423), (9245, 23135), (12943, 16525)]