198429777

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{80761}}^1$

素因数の和:80790

約数の個数: 32

約数和(自身を含む): 361813760

約数和(自身を除く): 163383983

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 80761, 242283, 565327, 726849, 1049893, 1695981, 2180547, 3149679, 5087943, 7349251, 9449037, 15263829, 22047753, 28347111, 66143259, 198429777]

約数ペア:

[(1, 198429777), (3, 66143259), (7, 28347111), (9, 22047753), (13, 15263829), (21, 9449037), (27, 7349251), (39, 5087943), (63, 3149679), (91, 2180547), (117, 1695981), (189, 1049893), (273, 726849), (351, 565327), (819, 242283), (2457, 80761)]