4001913

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 6480000

約数和(自身を除く): 2478087

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 269, 513, 551, 783, 807, 1653, 2421, 4959, 5111, 7263, 7801, 14877, 15333, 23403, 45999, 70209, 137997, 148219, 210627, 444657, 1333971, 4001913]

約数ペア:

[(1, 4001913), (3, 1333971), (9, 444657), (19, 210627), (27, 148219), (29, 137997), (57, 70209), (87, 45999), (171, 23403), (261, 15333), (269, 14877), (513, 7801), (551, 7263), (783, 5111), (807, 4959), (1653, 2421)]