199983825

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{18911}}^1$

素因数の和:18974

約数の個数: 36

約数和(自身を含む): 365833728

約数和(自身を除く): 165849903

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 3525, 10575, 18911, 56733, 94555, 170199, 283665, 472775, 850995, 888817, 1418325, 2666451, 4254975, 4444085, 7999353, 13332255, 22220425, 39996765, 66661275, 199983825]

約数ペア:

[(1, 199983825), (3, 66661275), (5, 39996765), (9, 22220425), (15, 13332255), (25, 7999353), (45, 4444085), (47, 4254975), (75, 2666451), (141, 1418325), (225, 888817), (235, 850995), (423, 472775), (705, 283665), (1175, 170199), (2115, 94555), (3525, 56733), (10575, 18911)]