981102591

素因数分解:

$3^3\times 7^1\times {\mathrm{5191019}}^1$

素因数の和:5191035

約数の個数: 16

約数和(自身を含む): 1661126400

約数和(自身を除く): 680023809

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 5191019, 15573057, 36337133, 46719171, 109011399, 140157513, 327034197, 981102591]

約数ペア:

[(1, 981102591), (3, 327034197), (7, 140157513), (9, 109011399), (21, 46719171), (27, 36337133), (63, 15573057), (189, 5191019)]