222719985

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 395928000

約数和(自身を除く): 173208015

約数列:

[1, 3, 5, 9, 15, 45, 59, 149, 177, 295, 447, 531, 563, 745, 885, 1341, 1689, 2235, 2655, 2815, 5067, 6705, 8445, 8791, 25335, 26373, 33217, 43955, 79119, 83887, 99651, 131865, 166085, 251661, 298953, 395595, 419435, 498255, 754983, 1258305, 1494765, 3774915, 4949333, 14847999, 24746665, 44543997, 74239995, 222719985]

約数ペア:

[(1, 222719985), (3, 74239995), (5, 44543997), (9, 24746665), (15, 14847999), (45, 4949333), (59, 3774915), (149, 1494765), (177, 1258305), (295, 754983), (447, 498255), (531, 419435), (563, 395595), (745, 298953), (885, 251661), (1341, 166085), (1689, 131865), (2235, 99651), (2655, 83887), (2815, 79119), (5067, 43955), (6705, 33217), (8445, 26373), (8791, 25335)]