211672461

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70487}}^1$

素因数の和:70521

約数の個数: 32

約数和(自身を含む): 378943488

約数和(自身を除く): 167271027

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 70487, 211461, 493409, 775357, 916331, 1480227, 2326071, 2748993, 5427499, 6414317, 10079641, 16282497, 19242951, 30238923, 70557487, 211672461]

約数ペア:

[(1, 211672461), (3, 70557487), (7, 30238923), (11, 19242951), (13, 16282497), (21, 10079641), (33, 6414317), (39, 5427499), (77, 2748993), (91, 2326071), (143, 1480227), (231, 916331), (273, 775357), (429, 493409), (1001, 211461), (3003, 70487)]