90818253

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{6481}}^1$

素因数の和:6666

約数の個数: 20

約数和(自身を含む): 136472028

約数和(自身を除く): 45653775

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 6481, 14013, 19443, 58329, 174987, 524961, 1121213, 3363639, 10090917, 30272751, 90818253]

約数ペア:

[(1, 90818253), (3, 30272751), (9, 10090917), (27, 3363639), (81, 1121213), (173, 524961), (519, 174987), (1557, 58329), (4671, 19443), (6481, 14013)]