257721167187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{7741}}^1$

素因数の和:8005

約数の個数: 96

約数和(自身を含む): 426819556800

約数和(自身を除く): 169098389613

約数列:

[1, 3, 9, 11, 33, 37, 61, 99, 111, 149, 183, 333, 407, 447, 549, 671, 1221, 1341, 1639, 2013, 2257, 3663, 4917, 5513, 6039, 6771, 7741, 9089, 14751, 16539, 20313, 23223, 24827, 27267, 49617, 60643, 69669, 74481, 81801, 85151, 99979, 181929, 223443, 255453, 286417, 299937, 336293, 472201, 545787, 766359, 859251, 899811, 1008879, 1153409, 1416603, 2577753, 3026637, 3150587, 3460227, 3699223, 4249809, 5194211, 9451761, 10380681, 11097669, 12687499, 15582633, 17471437, 28355283, 33293007, 38062497, 42676133, 46747899, 52414311, 70357949, 114187491, 128028399, 157242933, 192185807, 211073847, 384085197, 469437463, 576557421, 633221541, 773937439, 1408312389, 1729672263, 2321812317, 2603244113, 4224937167, 6965436951, 7809732339, 23429197017, 28635685243, 85907055729, 257721167187]

約数ペア:

[(1, 257721167187), (3, 85907055729), (9, 28635685243), (11, 23429197017), (33, 7809732339), (37, 6965436951), (61, 4224937167), (99, 2603244113), (111, 2321812317), (149, 1729672263), (183, 1408312389), (333, 773937439), (407, 633221541), (447, 576557421), (549, 469437463), (671, 384085197), (1221, 211073847), (1341, 192185807), (1639, 157242933), (2013, 128028399), (2257, 114187491), (3663, 70357949), (4917, 52414311), (5513, 46747899), (6039, 42676133), (6771, 38062497), (7741, 33293007), (9089, 28355283), (14751, 17471437), (16539, 15582633), (20313, 12687499), (23223, 11097669), (24827, 10380681), (27267, 9451761), (49617, 5194211), (60643, 4249809), (69669, 3699223), (74481, 3460227), (81801, 3150587), (85151, 3026637), (99979, 2577753), (181929, 1416603), (223443, 1153409), (255453, 1008879), (286417, 899811), (299937, 859251), (336293, 766359), (472201, 545787)]