81635421

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{2819}}^1$

素因数の和:3033

約数の個数: 24

約数和(自身を含む): 127306080

約数和(自身を除く): 45670659

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 1379, 2819, 4137, 8457, 9653, 19733, 28959, 59199, 138131, 414393, 555343, 1666029, 3887401, 11662203, 27211807, 81635421]

約数ペア:

[(1, 81635421), (3, 27211807), (7, 11662203), (21, 3887401), (49, 1666029), (147, 555343), (197, 414393), (591, 138131), (1379, 59199), (2819, 28959), (4137, 19733), (8457, 9653)]