391348341

素因数分解:

$3^7\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 591974400

約数和(自身を除く): 200626059

約数列:

[1, 3, 9, 27, 81, 127, 243, 381, 729, 1143, 1409, 2187, 3429, 4227, 10287, 12681, 30861, 38043, 92583, 114129, 178943, 277749, 342387, 536829, 1027161, 1610487, 3081483, 4831461, 14494383, 43483149, 130449447, 391348341]

約数ペア:

[(1, 391348341), (3, 130449447), (9, 43483149), (27, 14494383), (81, 4831461), (127, 3081483), (243, 1610487), (381, 1027161), (729, 536829), (1143, 342387), (1409, 277749), (2187, 178943), (3429, 114129), (4227, 92583), (10287, 38043), (12681, 30861)]