67721805

素因数分解:

$3^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1613}}^1$

素因数の和:1938

約数の個数: 32

約数和(自身を含む): 120856320

約数和(自身を除く): 53134515

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 311, 933, 1555, 1613, 2799, 4665, 4839, 8065, 8397, 13995, 14517, 24195, 41985, 43551, 72585, 217755, 501643, 1504929, 2508215, 4514787, 7524645, 13544361, 22573935, 67721805]

約数ペア:

[(1, 67721805), (3, 22573935), (5, 13544361), (9, 7524645), (15, 4514787), (27, 2508215), (45, 1504929), (135, 501643), (311, 217755), (933, 72585), (1555, 43551), (1613, 41985), (2799, 24195), (4665, 14517), (4839, 13995), (8065, 8397)]