656346321

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 998917920

約数和(自身を除く): 342571599

約数列:

[1, 3, 9, 27, 81, 83, 233, 249, 419, 699, 747, 1257, 2097, 2241, 3771, 6291, 6723, 11313, 18873, 19339, 33939, 34777, 58017, 97627, 104331, 174051, 292881, 312993, 522153, 878643, 938979, 1566459, 2635929, 2816937, 7907787, 8103041, 24309123, 72927369, 218782107, 656346321]

約数ペア:

[(1, 656346321), (3, 218782107), (9, 72927369), (27, 24309123), (81, 8103041), (83, 7907787), (233, 2816937), (249, 2635929), (419, 1566459), (699, 938979), (747, 878643), (1257, 522153), (2097, 312993), (2241, 292881), (3771, 174051), (6291, 104331), (6723, 97627), (11313, 58017), (18873, 34777), (19339, 33939)]