28374219

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2351}}^1$

素因数の和:2512

約数の個数: 20

約数和(自身を含む): 42688800

約数和(自身を除く): 14314581

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2351, 4023, 7053, 12069, 21159, 63477, 190431, 350299, 1050897, 3152691, 9458073, 28374219]

約数ペア:

[(1, 28374219), (3, 9458073), (9, 3152691), (27, 1050897), (81, 350299), (149, 190431), (447, 63477), (1341, 21159), (2351, 12069), (4023, 7053)]