68161215

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 112766976

約数和(自身を除く): 44605761

約数列:

[1, 3, 5, 15, 37, 111, 185, 191, 555, 573, 643, 955, 1929, 2865, 3215, 7067, 9645, 21201, 23791, 35335, 71373, 106005, 118955, 122813, 356865, 368439, 614065, 1842195, 4544081, 13632243, 22720405, 68161215]

約数ペア:

[(1, 68161215), (3, 22720405), (5, 13632243), (15, 4544081), (37, 1842195), (111, 614065), (185, 368439), (191, 356865), (555, 122813), (573, 118955), (643, 106005), (955, 71373), (1929, 35335), (2865, 23791), (3215, 21201), (7067, 9645)]