129281649

素因数分解:

$3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{2657}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 201199968

約数和(自身を除く): 71918319

約数列:

[1, 3, 7, 21, 49, 147, 331, 993, 2317, 2657, 6951, 7971, 16219, 18599, 48657, 55797, 130193, 390579, 879467, 2638401, 6156269, 18468807, 43093883, 129281649]

約数ペア:

[(1, 129281649), (3, 43093883), (7, 18468807), (21, 6156269), (49, 2638401), (147, 879467), (331, 390579), (993, 130193), (2317, 55797), (2657, 48657), (6951, 18599), (7971, 16219)]