211301217

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{6883}}^1$

素因数の和:7274

約数の個数: 20

約数和(自身を含む): 316526320

約数和(自身を除く): 105225103

約数列:

[1, 3, 9, 27, 81, 379, 1137, 3411, 6883, 10233, 20649, 30699, 61947, 185841, 557523, 2608657, 7825971, 23477913, 70433739, 211301217]

約数ペア:

[(1, 211301217), (3, 70433739), (9, 23477913), (27, 7825971), (81, 2608657), (379, 557523), (1137, 185841), (3411, 61947), (6883, 30699), (10233, 20649)]