221473566

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{173297}}^1$

素因数の和:173376

約数の個数: 24

約数和(自身を含む): 486620784

約数和(自身を除く): 265147218

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 173297, 346594, 519891, 1039782, 1559673, 3119346, 12304087, 24608174, 36912261, 73824522, 110736783, 221473566]

約数ペア:

[(1, 221473566), (2, 110736783), (3, 73824522), (6, 36912261), (9, 24608174), (18, 12304087), (71, 3119346), (142, 1559673), (213, 1039782), (426, 519891), (639, 346594), (1278, 173297)]