1377778521

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{3709}}^1$

素因数の和:3771

約数の個数: 48

約数和(自身を含む): 2261616000

約数和(自身を除く): 883837479

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 361, 399, 931, 1029, 1083, 2527, 2793, 3709, 6517, 7581, 11127, 17689, 19551, 25963, 53067, 70471, 77889, 123823, 181741, 211413, 371469, 493297, 545223, 1272187, 1338949, 1479891, 3453079, 3816561, 4016847, 9372643, 10359237, 24171553, 28117929, 65608501, 72514659, 196825503, 459259507, 1377778521]

約数ペア:

[(1, 1377778521), (3, 459259507), (7, 196825503), (19, 72514659), (21, 65608501), (49, 28117929), (57, 24171553), (133, 10359237), (147, 9372643), (343, 4016847), (361, 3816561), (399, 3453079), (931, 1479891), (1029, 1338949), (1083, 1272187), (2527, 545223), (2793, 493297), (3709, 371469), (6517, 211413), (7581, 181741), (11127, 123823), (17689, 77889), (19551, 70471), (25963, 53067)]