678351357

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1019}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 1097928000

約数和(自身を除く): 419576643

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 229, 323, 687, 969, 1019, 2061, 2907, 3057, 3893, 4351, 9171, 11679, 13053, 17323, 19361, 35037, 39159, 51969, 58083, 73967, 155907, 174249, 221901, 233351, 329137, 665703, 700053, 987411, 2100159, 2962233, 3966967, 4433669, 11900901, 13301007, 35702703, 39903021, 75372373, 226117119, 678351357]

約数ペア:

[(1, 678351357), (3, 226117119), (9, 75372373), (17, 39903021), (19, 35702703), (51, 13301007), (57, 11900901), (153, 4433669), (171, 3966967), (229, 2962233), (323, 2100159), (687, 987411), (969, 700053), (1019, 665703), (2061, 329137), (2907, 233351), (3057, 221901), (3893, 174249), (4351, 155907), (9171, 73967), (11679, 58083), (13053, 51969), (17323, 39159), (19361, 35037)]