161728203

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 283852800

約数和(自身を除く): 122124597

約数列:

[1, 3, 7, 13, 21, 23, 39, 43, 69, 91, 129, 161, 273, 299, 301, 483, 559, 599, 897, 903, 989, 1677, 1797, 2093, 2967, 3913, 4193, 6279, 6923, 7787, 11739, 12579, 12857, 13777, 20769, 23361, 25757, 38571, 41331, 54509, 77271, 89999, 96439, 163527, 179101, 180299, 269997, 289317, 334841, 537303, 540897, 592411, 1004523, 1253707, 1777233, 2343887, 3761121, 4146877, 7031661, 7701343, 12440631, 23104029, 53909401, 161728203]

約数ペア:

[(1, 161728203), (3, 53909401), (7, 23104029), (13, 12440631), (21, 7701343), (23, 7031661), (39, 4146877), (43, 3761121), (69, 2343887), (91, 1777233), (129, 1253707), (161, 1004523), (273, 592411), (299, 540897), (301, 537303), (483, 334841), (559, 289317), (599, 269997), (897, 180299), (903, 179101), (989, 163527), (1677, 96439), (1797, 89999), (2093, 77271), (2967, 54509), (3913, 41331), (4193, 38571), (6279, 25757), (6923, 23361), (7787, 20769), (11739, 13777), (12579, 12857)]