198774

素因数分解:

$2^1\times 3^5\times {\mathrm{409}}^1$

素因数の和:426

約数の個数: 24

約数和(自身を含む): 447720

約数和(自身を除く): 248946

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 409, 486, 818, 1227, 2454, 3681, 7362, 11043, 22086, 33129, 66258, 99387, 198774]

約数ペア:

[(1, 198774), (2, 99387), (3, 66258), (6, 33129), (9, 22086), (18, 11043), (27, 7362), (54, 3681), (81, 2454), (162, 1227), (243, 818), (409, 486)]