12821428893

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{18869}}^1$

素因数の和:19042

約数の個数: 64

約数和(自身を含む): 22317926400

約数和(自身を除く): 9496497507

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 131, 133, 247, 273, 393, 399, 741, 917, 1703, 1729, 2489, 2751, 5109, 5187, 7467, 11921, 17423, 18869, 32357, 35763, 52269, 56607, 97071, 132083, 226499, 245297, 358511, 396249, 679497, 735891, 1075533, 1717079, 2471839, 2509577, 4660643, 5151237, 7415517, 7528731, 13981929, 17302873, 32133907, 32624501, 46964941, 51908619, 96401721, 97873503, 140894823, 224937349, 328754587, 610544233, 674812047, 986263761, 1831632699, 4273809631, 12821428893]

約数ペア:

[(1, 12821428893), (3, 4273809631), (7, 1831632699), (13, 986263761), (19, 674812047), (21, 610544233), (39, 328754587), (57, 224937349), (91, 140894823), (131, 97873503), (133, 96401721), (247, 51908619), (273, 46964941), (393, 32624501), (399, 32133907), (741, 17302873), (917, 13981929), (1703, 7528731), (1729, 7415517), (2489, 5151237), (2751, 4660643), (5109, 2509577), (5187, 2471839), (7467, 1717079), (11921, 1075533), (17423, 735891), (18869, 679497), (32357, 396249), (35763, 358511), (52269, 245297), (56607, 226499), (97071, 132083)]