847442007

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{222601}}^1$

素因数の和:222660

約数の個数: 20

約数和(自身を含む): 1292872416

約数和(自身を除く): 445430409

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 222601, 667803, 2003409, 6010227, 10462247, 18030681, 31386741, 94160223, 282480669, 847442007]

約数ペア:

[(1, 847442007), (3, 282480669), (9, 94160223), (27, 31386741), (47, 18030681), (81, 10462247), (141, 6010227), (423, 2003409), (1269, 667803), (3807, 222601)]