78118215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39157}}^1$

素因数の和:39191

約数の個数: 32

約数和(自身を含む): 150366720

約数和(自身を除く): 72248505

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 39157, 117471, 195785, 274099, 587355, 743983, 822297, 1370495, 2231949, 3719915, 4111485, 5207881, 11159745, 15623643, 26039405, 78118215]

約数ペア:

[(1, 78118215), (3, 26039405), (5, 15623643), (7, 11159745), (15, 5207881), (19, 4111485), (21, 3719915), (35, 2231949), (57, 1370495), (95, 822297), (105, 743983), (133, 587355), (285, 274099), (399, 195785), (665, 117471), (1995, 39157)]