639376943955

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27817}}^1\times {\mathrm{32603}}^1$

素因数の和:60475

約数の個数: 32

約数和(自身を含む): 1044838738944

約数和(自身を除く): 405461794989

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 27817, 32603, 83451, 97809, 139085, 163015, 417255, 489045, 1307399, 1532341, 3922197, 4597023, 6536995, 7661705, 19610985, 22985115, 906917651, 2720752953, 4534588255, 13603764765, 42625129597, 127875388791, 213125647985, 639376943955]

約数ペア:

[(1, 639376943955), (3, 213125647985), (5, 127875388791), (15, 42625129597), (47, 13603764765), (141, 4534588255), (235, 2720752953), (705, 906917651), (27817, 22985115), (32603, 19610985), (83451, 7661705), (97809, 6536995), (139085, 4597023), (163015, 3922197), (417255, 1532341), (489045, 1307399)]