15697772181

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{17863}}^1$

素因数の和:17955

約数の個数: 96

約数和(自身を含む): 29651381760

約数和(自身を除く): 13953609579

約数列:

[1, 3, 7, 9, 13, 21, 29, 37, 39, 63, 87, 91, 111, 117, 203, 259, 261, 273, 333, 377, 481, 609, 777, 819, 1073, 1131, 1443, 1827, 2331, 2639, 3219, 3367, 3393, 4329, 7511, 7917, 9657, 10101, 13949, 17863, 22533, 23751, 30303, 41847, 53589, 67599, 97643, 125041, 125541, 160767, 232219, 292929, 375123, 518027, 660931, 696657, 878787, 1125369, 1554081, 1625533, 1982793, 2089971, 3626189, 4626517, 4662243, 4876599, 5948379, 6734351, 8592103, 10878567, 13879551, 14629797, 19166999, 20203053, 25776309, 32635701, 41638653, 47140457, 57500997, 60144721, 60609159, 77328927, 134168993, 141421371, 172502991, 180434163, 249170987, 402506979, 424264113, 541302489, 747512961, 1207520937, 1744196909, 2242538883, 5232590727, 15697772181]

約数ペア:

[(1, 15697772181), (3, 5232590727), (7, 2242538883), (9, 1744196909), (13, 1207520937), (21, 747512961), (29, 541302489), (37, 424264113), (39, 402506979), (63, 249170987), (87, 180434163), (91, 172502991), (111, 141421371), (117, 134168993), (203, 77328927), (259, 60609159), (261, 60144721), (273, 57500997), (333, 47140457), (377, 41638653), (481, 32635701), (609, 25776309), (777, 20203053), (819, 19166999), (1073, 14629797), (1131, 13879551), (1443, 10878567), (1827, 8592103), (2331, 6734351), (2639, 5948379), (3219, 4876599), (3367, 4662243), (3393, 4626517), (4329, 3626189), (7511, 2089971), (7917, 1982793), (9657, 1625533), (10101, 1554081), (13949, 1125369), (17863, 878787), (22533, 696657), (23751, 660931), (30303, 518027), (41847, 375123), (53589, 292929), (67599, 232219), (97643, 160767), (125041, 125541)]