215501337

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{443}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 328204800

約数和(自身を除く): 112703463

約数列:

[1, 3, 9, 27, 43, 129, 387, 419, 443, 1161, 1257, 1329, 3771, 3987, 11313, 11961, 18017, 19049, 54051, 57147, 162153, 171441, 185617, 486459, 514323, 556851, 1670553, 5011659, 7981531, 23944593, 71833779, 215501337]

約数ペア:

[(1, 215501337), (3, 71833779), (9, 23944593), (27, 7981531), (43, 5011659), (129, 1670553), (387, 556851), (419, 514323), (443, 486459), (1161, 185617), (1257, 171441), (1329, 162153), (3771, 57147), (3987, 54051), (11313, 19049), (11961, 18017)]