28766925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 57451680

約数和(自身を除く): 28684755

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 59, 75, 99, 165, 177, 197, 225, 275, 295, 495, 531, 591, 649, 825, 885, 985, 1475, 1773, 1947, 2167, 2475, 2655, 2955, 3245, 4425, 4925, 5841, 6501, 8865, 9735, 10835, 11623, 13275, 14775, 16225, 19503, 29205, 32505, 34869, 44325, 48675, 54175, 58115, 97515, 104607, 127853, 146025, 162525, 174345, 290575, 383559, 487575, 523035, 639265, 871725, 1150677, 1917795, 2615175, 3196325, 5753385, 9588975, 28766925]

約数ペア:

[(1, 28766925), (3, 9588975), (5, 5753385), (9, 3196325), (11, 2615175), (15, 1917795), (25, 1150677), (33, 871725), (45, 639265), (55, 523035), (59, 487575), (75, 383559), (99, 290575), (165, 174345), (177, 162525), (197, 146025), (225, 127853), (275, 104607), (295, 97515), (495, 58115), (531, 54175), (591, 48675), (649, 44325), (825, 34869), (885, 32505), (985, 29205), (1475, 19503), (1773, 16225), (1947, 14775), (2167, 13275), (2475, 11623), (2655, 10835), (2955, 9735), (3245, 8865), (4425, 6501), (4925, 5841)]