154980903

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2551}}^1$

素因数の和:2835

約数の個数: 32

約数和(自身を含む): 258711552

約数和(自身を除く): 103730649

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 263, 789, 1841, 2551, 2893, 5523, 7653, 8679, 17857, 20251, 28061, 53571, 60753, 84183, 196427, 589281, 670913, 2012739, 4696391, 7380043, 14089173, 22140129, 51660301, 154980903]

約数ペア:

[(1, 154980903), (3, 51660301), (7, 22140129), (11, 14089173), (21, 7380043), (33, 4696391), (77, 2012739), (231, 670913), (263, 589281), (789, 196427), (1841, 84183), (2551, 60753), (2893, 53571), (5523, 28061), (7653, 20251), (8679, 17857)]