15313221

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 29053440

約数和(自身を除く): 13740219

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1163, 1197, 1463, 1881, 3489, 4389, 8141, 10467, 12793, 13167, 22097, 24423, 38379, 66291, 73269, 89551, 115137, 154679, 198873, 243067, 268653, 464037, 729201, 805959, 1392111, 1701469, 2187603, 5104407, 15313221]

約数ペア:

[(1, 15313221), (3, 5104407), (7, 2187603), (9, 1701469), (11, 1392111), (19, 805959), (21, 729201), (33, 464037), (57, 268653), (63, 243067), (77, 198873), (99, 154679), (133, 115137), (171, 89551), (209, 73269), (231, 66291), (399, 38379), (627, 24423), (693, 22097), (1163, 13167), (1197, 12793), (1463, 10467), (1881, 8141), (3489, 4389)]