720291039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{27941}}^1$

素因数の和:28618

約数の個数: 16

約数和(自身を含む): 1035865824

約数和(自身を除く): 315574785

約数列:

[1, 3, 13, 39, 661, 1983, 8593, 25779, 27941, 83823, 363233, 1089699, 18469001, 55407003, 240097013, 720291039]

約数ペア:

[(1, 720291039), (3, 240097013), (13, 55407003), (39, 18469001), (661, 1089699), (1983, 363233), (8593, 83823), (25779, 27941)]