28542364137

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1\times {\mathrm{7823}}^1$

素因数の和:9862

約数の個数: 48

約数和(自身を含む): 48772938240

約数和(自身を除く): 20230574103

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 1997, 5991, 7823, 13979, 17973, 23469, 41937, 54761, 57913, 70407, 125811, 164283, 173739, 226867, 405391, 492849, 521217, 680601, 1216173, 1588069, 2041803, 3648519, 4764207, 14292621, 15622531, 46867593, 109357717, 140602779, 328073151, 453053399, 984219453, 1359160197, 3171373793, 4077480591, 9514121379, 28542364137]

約数ペア:

[(1, 28542364137), (3, 9514121379), (7, 4077480591), (9, 3171373793), (21, 1359160197), (29, 984219453), (63, 453053399), (87, 328073151), (203, 140602779), (261, 109357717), (609, 46867593), (1827, 15622531), (1997, 14292621), (5991, 4764207), (7823, 3648519), (13979, 2041803), (17973, 1588069), (23469, 1216173), (41937, 680601), (54761, 521217), (57913, 492849), (70407, 405391), (125811, 226867), (164283, 173739)]