203411511

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 330220800

約数和(自身を除く): 126809289

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 167, 171, 323, 419, 501, 969, 1257, 1503, 2839, 2907, 3173, 3771, 7123, 7961, 8517, 9519, 21369, 23883, 25551, 28557, 53941, 64107, 69973, 71649, 135337, 161823, 209919, 406011, 485469, 629757, 1189541, 1218033, 1329487, 3568623, 3988461, 10705869, 11965383, 22601279, 67803837, 203411511]

約数ペア:

[(1, 203411511), (3, 67803837), (9, 22601279), (17, 11965383), (19, 10705869), (51, 3988461), (57, 3568623), (153, 1329487), (167, 1218033), (171, 1189541), (323, 629757), (419, 485469), (501, 406011), (969, 209919), (1257, 161823), (1503, 135337), (2839, 71649), (2907, 69973), (3173, 64107), (3771, 53941), (7123, 28557), (7961, 25551), (8517, 23883), (9519, 21369)]