1375773

素因数分解:

$3^1\times 7^4\times {\mathrm{191}}^1$

素因数の和:222

約数の個数: 20

約数和(自身を含む): 2151168

約数和(自身を除く): 775395

約数列:

[1, 3, 7, 21, 49, 147, 191, 343, 573, 1029, 1337, 2401, 4011, 7203, 9359, 28077, 65513, 196539, 458591, 1375773]

約数ペア:

[(1, 1375773), (3, 458591), (7, 196539), (21, 65513), (49, 28077), (147, 9359), (191, 7203), (343, 4011), (573, 2401), (1029, 1337)]