20170210545

素因数分解:

$3^4\times 5^1\times {\mathrm{49802989}}^1$

素因数の和:49803006

約数の個数: 20

約数和(自身を含む): 36156970740

約数和(自身を除く): 15986760195

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49802989, 149408967, 249014945, 448226901, 747044835, 1344680703, 2241134505, 4034042109, 6723403515, 20170210545]

約数ペア:

[(1, 20170210545), (3, 6723403515), (5, 4034042109), (9, 2241134505), (15, 1344680703), (27, 747044835), (45, 448226901), (81, 249014945), (135, 149408967), (405, 49802989)]