201728761773

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1\times {\mathrm{16987}}^1$

素因数の和:17618

約数の個数: 64

約数和(自身を含む): 339346851840

約数和(自身を除く): 137618090067

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 231, 303, 509, 707, 1111, 1527, 2121, 3333, 3563, 5599, 7777, 10689, 16797, 16987, 23331, 39193, 50961, 51409, 117579, 118909, 154227, 186857, 356727, 359863, 560571, 565499, 1079589, 1307999, 1696497, 1715687, 3923997, 3958493, 5147061, 8646383, 11875479, 12009809, 18872557, 25939149, 36029427, 56617671, 60524681, 95110213, 132107899, 181574043, 285330639, 396323697, 665771491, 873284683, 1997314473, 2619854049, 6112992781, 9606131513, 18338978343, 28818394539, 67242920591, 201728761773]

約数ペア:

[(1, 201728761773), (3, 67242920591), (7, 28818394539), (11, 18338978343), (21, 9606131513), (33, 6112992781), (77, 2619854049), (101, 1997314473), (231, 873284683), (303, 665771491), (509, 396323697), (707, 285330639), (1111, 181574043), (1527, 132107899), (2121, 95110213), (3333, 60524681), (3563, 56617671), (5599, 36029427), (7777, 25939149), (10689, 18872557), (16797, 12009809), (16987, 11875479), (23331, 8646383), (39193, 5147061), (50961, 3958493), (51409, 3923997), (117579, 1715687), (118909, 1696497), (154227, 1307999), (186857, 1079589), (356727, 565499), (359863, 560571)]