40273281

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{1181}}^1$

素因数の和:1614

約数の個数: 20

約数和(自身を含む): 60355284

約数和(自身を除く): 20082003

約数列:

[1, 3, 9, 27, 81, 421, 1181, 1263, 3543, 3789, 10629, 11367, 31887, 34101, 95661, 497201, 1491603, 4474809, 13424427, 40273281]

約数ペア:

[(1, 40273281), (3, 13424427), (9, 4474809), (27, 1491603), (81, 497201), (421, 95661), (1181, 34101), (1263, 31887), (3543, 11367), (3789, 10629)]