205985295

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{28789}}^1$

素因数の和:28856

約数の個数: 32

約数和(自身を含む): 373118400

約数和(自身を除く): 167133105

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155, 28789, 86367, 143945, 259101, 431835, 777303, 1295505, 1525817, 3886515, 4577451, 7629085, 13732353, 22887255, 41197059, 68661765, 205985295]

約数ペア:

[(1, 205985295), (3, 68661765), (5, 41197059), (9, 22887255), (15, 13732353), (27, 7629085), (45, 4577451), (53, 3886515), (135, 1525817), (159, 1295505), (265, 777303), (477, 431835), (795, 259101), (1431, 143945), (2385, 86367), (7155, 28789)]