290469159

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{13331}}^1$

素因数の和:13612

約数の個数: 20

約数和(自身を含む): 435556440

約数和(自身を除く): 145087281

約数列:

[1, 3, 9, 27, 81, 269, 807, 2421, 7263, 13331, 21789, 39993, 119979, 359937, 1079811, 3586039, 10758117, 32274351, 96823053, 290469159]

約数ペア:

[(1, 290469159), (3, 96823053), (9, 32274351), (27, 10758117), (81, 3586039), (269, 1079811), (807, 359937), (2421, 119979), (7263, 39993), (13331, 21789)]