78852123

素因数分解:

$3^4\times 7^2\times {\mathrm{19867}}^1$

素因数の和:19893

約数の個数: 30

約数和(自身を含む): 137029596

約数和(自身を除く): 58177473

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 19867, 59601, 139069, 178803, 417207, 536409, 973483, 1251621, 1609227, 2920449, 3754863, 8761347, 11264589, 26284041, 78852123]

約数ペア:

[(1, 78852123), (3, 26284041), (7, 11264589), (9, 8761347), (21, 3754863), (27, 2920449), (49, 1609227), (63, 1251621), (81, 973483), (147, 536409), (189, 417207), (441, 178803), (567, 139069), (1323, 59601), (3969, 19867)]