1220415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 1060545

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 197, 295, 413, 591, 885, 985, 1239, 1379, 2065, 2955, 4137, 6195, 6895, 11623, 20685, 34869, 58115, 81361, 174345, 244083, 406805, 1220415]

約数ペア:

[(1, 1220415), (3, 406805), (5, 244083), (7, 174345), (15, 81361), (21, 58115), (35, 34869), (59, 20685), (105, 11623), (177, 6895), (197, 6195), (295, 4137), (413, 2955), (591, 2065), (885, 1379), (985, 1239)]