215445123

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{911}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 337075200

約数和(自身を除く): 121630077

約数列:

[1, 3, 9, 19, 27, 57, 171, 461, 513, 911, 1383, 2733, 4149, 8199, 8759, 12447, 17309, 24597, 26277, 51927, 78831, 155781, 236493, 419971, 467343, 1259913, 3779739, 7979449, 11339217, 23938347, 71815041, 215445123]

約数ペア:

[(1, 215445123), (3, 71815041), (9, 23938347), (19, 11339217), (27, 7979449), (57, 3779739), (171, 1259913), (461, 467343), (513, 419971), (911, 236493), (1383, 155781), (2733, 78831), (4149, 51927), (8199, 26277), (8759, 24597), (12447, 17309)]