16805529

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 28108800

約数和(自身を除く): 11303271

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 127, 169, 261, 351, 377, 381, 507, 783, 1131, 1143, 1521, 1651, 3393, 3429, 3683, 4563, 4901, 4953, 10179, 11049, 14703, 14859, 21463, 33147, 44109, 44577, 47879, 64389, 99441, 132327, 143637, 193167, 430911, 579501, 622427, 1292733, 1867281, 5601843, 16805529]

約数ペア:

[(1, 16805529), (3, 5601843), (9, 1867281), (13, 1292733), (27, 622427), (29, 579501), (39, 430911), (87, 193167), (117, 143637), (127, 132327), (169, 99441), (261, 64389), (351, 47879), (377, 44577), (381, 44109), (507, 33147), (783, 21463), (1131, 14859), (1143, 14703), (1521, 11049), (1651, 10179), (3393, 4953), (3429, 4901), (3683, 4563)]