2017996821

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1311239}}^1$

素因数の和:1311270

約数の個数: 20

約数和(自身を含む): 3173200800

約数和(自身を除く): 1155203979

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1311239, 3933717, 11801151, 24913541, 35403453, 74740623, 106210359, 224221869, 672665607, 2017996821]

約数ペア:

[(1, 2017996821), (3, 672665607), (9, 224221869), (19, 106210359), (27, 74740623), (57, 35403453), (81, 24913541), (171, 11801151), (513, 3933717), (1539, 1311239)]