1998477

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 3494400

約数和(自身を除く): 1495923

約数列:

[1, 3, 9, 13, 19, 29, 31, 39, 57, 87, 93, 117, 171, 247, 261, 279, 377, 403, 551, 589, 741, 899, 1131, 1209, 1653, 1767, 2223, 2697, 3393, 3627, 4959, 5301, 7163, 7657, 8091, 11687, 17081, 21489, 22971, 35061, 51243, 64467, 68913, 105183, 153729, 222053, 666159, 1998477]

約数ペア:

[(1, 1998477), (3, 666159), (9, 222053), (13, 153729), (19, 105183), (29, 68913), (31, 64467), (39, 51243), (57, 35061), (87, 22971), (93, 21489), (117, 17081), (171, 11687), (247, 8091), (261, 7657), (279, 7163), (377, 5301), (403, 4959), (551, 3627), (589, 3393), (741, 2697), (899, 2223), (1131, 1767), (1209, 1653)]