78437565

素因数分解:

$3^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 141299928

約数和(自身を除く): 62862363

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 293, 405, 661, 879, 1465, 1983, 2637, 3305, 4395, 5949, 7911, 9915, 13185, 17847, 23733, 29745, 39555, 53541, 89235, 118665, 193673, 267705, 581019, 968365, 1743057, 2905095, 5229171, 8715285, 15687513, 26145855, 78437565]

約数ペア:

[(1, 78437565), (3, 26145855), (5, 15687513), (9, 8715285), (15, 5229171), (27, 2905095), (45, 1743057), (81, 968365), (135, 581019), (293, 267705), (405, 193673), (661, 118665), (879, 89235), (1465, 53541), (1983, 39555), (2637, 29745), (3305, 23733), (4395, 17847), (5949, 13185), (7911, 9915)]