198607275

素因数分解:

$3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4987}}^1$

素因数の和:5065

約数の個数: 48

約数和(自身を含む): 371107200

約数和(自身を除く): 172499925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 135, 177, 225, 295, 531, 675, 885, 1475, 1593, 2655, 4425, 4987, 7965, 13275, 14961, 24935, 39825, 44883, 74805, 124675, 134649, 224415, 294233, 374025, 673245, 882699, 1122075, 1471165, 2648097, 3366225, 4413495, 7355825, 7944291, 13240485, 22067475, 39721455, 66202425, 198607275]

約数ペア:

[(1, 198607275), (3, 66202425), (5, 39721455), (9, 22067475), (15, 13240485), (25, 7944291), (27, 7355825), (45, 4413495), (59, 3366225), (75, 2648097), (135, 1471165), (177, 1122075), (225, 882699), (295, 673245), (531, 374025), (675, 294233), (885, 224415), (1475, 134649), (1593, 124675), (2655, 74805), (4425, 44883), (4987, 39825), (7965, 24935), (13275, 14961)]