947388621

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 1391647040

約数和(自身を除く): 444258419

約数列:

[1, 3, 19, 53, 57, 61, 97, 159, 183, 291, 1007, 1159, 1843, 2809, 3021, 3233, 3477, 5141, 5529, 5917, 8427, 9699, 15423, 17751, 53371, 61427, 97679, 112423, 160113, 171349, 184281, 272473, 293037, 313601, 337269, 514047, 817419, 940803, 3255631, 5176987, 5958419, 9766893, 15530961, 16620853, 17875257, 49862559, 315796207, 947388621]

約数ペア:

[(1, 947388621), (3, 315796207), (19, 49862559), (53, 17875257), (57, 16620853), (61, 15530961), (97, 9766893), (159, 5958419), (183, 5176987), (291, 3255631), (1007, 940803), (1159, 817419), (1843, 514047), (2809, 337269), (3021, 313601), (3233, 293037), (3477, 272473), (5141, 184281), (5529, 171349), (5917, 160113), (8427, 112423), (9699, 97679), (15423, 61427), (17751, 53371)]