211871121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 357504000

約数和(自身を除く): 145632879

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 199, 231, 363, 419, 597, 847, 1257, 1393, 2189, 2541, 2933, 4179, 4609, 6567, 8799, 13827, 15323, 24079, 32263, 45969, 50699, 72237, 83381, 96789, 152097, 168553, 250143, 354893, 505659, 583667, 917191, 1064679, 1751001, 2751573, 6420337, 10089101, 19261011, 30267303, 70623707, 211871121]

約数ペア:

[(1, 211871121), (3, 70623707), (7, 30267303), (11, 19261011), (21, 10089101), (33, 6420337), (77, 2751573), (121, 1751001), (199, 1064679), (231, 917191), (363, 583667), (419, 505659), (597, 354893), (847, 250143), (1257, 168553), (1393, 152097), (2189, 96789), (2541, 83381), (2933, 72237), (4179, 50699), (4609, 45969), (6567, 32263), (8799, 24079), (13827, 15323)]