7247865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 12583296

約数和(自身を除く): 5335431

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 661, 731, 1983, 2193, 3305, 3655, 9915, 10965, 11237, 28423, 33711, 56185, 85269, 142115, 168555, 426345, 483191, 1449573, 2415955, 7247865]

約数ペア:

[(1, 7247865), (3, 2415955), (5, 1449573), (15, 483191), (17, 426345), (43, 168555), (51, 142115), (85, 85269), (129, 56185), (215, 33711), (255, 28423), (645, 11237), (661, 10965), (731, 9915), (1983, 3655), (2193, 3305)]