19831815

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 36255648

約数和(自身を除く): 16423833

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 185, 215, 277, 333, 387, 555, 645, 831, 1385, 1591, 1665, 1935, 2493, 4155, 4773, 7955, 10249, 11911, 12465, 14319, 23865, 30747, 35733, 51245, 59555, 71595, 92241, 107199, 153735, 178665, 440707, 461205, 535995, 1322121, 2203535, 3966363, 6610605, 19831815]

約数ペア:

[(1, 19831815), (3, 6610605), (5, 3966363), (9, 2203535), (15, 1322121), (37, 535995), (43, 461205), (45, 440707), (111, 178665), (129, 153735), (185, 107199), (215, 92241), (277, 71595), (333, 59555), (387, 51245), (555, 35733), (645, 30747), (831, 23865), (1385, 14319), (1591, 12465), (1665, 11911), (1935, 10249), (2493, 7955), (4155, 4773)]