20171639979

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{18221897}}^1$

素因数の和:18221947

約数の個数: 16

約数和(自身を含む): 30612788640

約数和(自身を除く): 10441148661

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 18221897, 54665691, 163997073, 491991219, 747097777, 2241293331, 6723879993, 20171639979]

約数ペア:

[(1, 20171639979), (3, 6723879993), (9, 2241293331), (27, 747097777), (41, 491991219), (123, 163997073), (369, 54665691), (1107, 18221897)]