25488477

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 44326620

約数和(自身を除く): 18838143

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 1993, 4263, 5979, 12789, 13951, 17937, 41853, 57797, 97657, 125559, 173391, 292971, 404579, 520173, 878913, 1213737, 2832053, 3641211, 8496159, 25488477]

約数ペア:

[(1, 25488477), (3, 8496159), (7, 3641211), (9, 2832053), (21, 1213737), (29, 878913), (49, 520173), (63, 404579), (87, 292971), (147, 173391), (203, 125559), (261, 97657), (441, 57797), (609, 41853), (1421, 17937), (1827, 13951), (1993, 12789), (4263, 5979)]