221963511

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{1583}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 369819648

約数和(自身を除く): 147856137

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 607, 1583, 1821, 4249, 4749, 6677, 11081, 12747, 17413, 20031, 33243, 46739, 52239, 121891, 140217, 365673, 960881, 2882643, 6726167, 10569691, 20178501, 31709073, 73987837, 221963511]

約数ペア:

[(1, 221963511), (3, 73987837), (7, 31709073), (11, 20178501), (21, 10569691), (33, 6726167), (77, 2882643), (231, 960881), (607, 365673), (1583, 140217), (1821, 121891), (4249, 52239), (4749, 46739), (6677, 33243), (11081, 20031), (12747, 17413)]