71957985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4001}}^1$

素因数の和:4129

約数の個数: 32

約数和(自身を含む): 126783360

約数和(自身を除く): 54825375

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 545, 1199, 1635, 3597, 4001, 5995, 12003, 17985, 20005, 44011, 60015, 132033, 220055, 436109, 660165, 1308327, 2180545, 4797199, 6541635, 14391597, 23985995, 71957985]

約数ペア:

[(1, 71957985), (3, 23985995), (5, 14391597), (11, 6541635), (15, 4797199), (33, 2180545), (55, 1308327), (109, 660165), (165, 436109), (327, 220055), (545, 132033), (1199, 60015), (1635, 44011), (3597, 20005), (4001, 17985), (5995, 12003)]