209175057

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8807}}^1$

素因数の和:8862

約数の個数: 48

約数和(自身を含む): 384733440

約数和(自身を除く): 175558383

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2639, 3393, 7917, 8807, 23751, 26421, 61649, 79263, 114491, 184947, 255403, 343473, 554841, 766209, 801437, 1030419, 1787821, 2298627, 2404311, 3320239, 5363463, 7212933, 9960717, 16090389, 23241673, 29882151, 69725019, 209175057]

約数ペア:

[(1, 209175057), (3, 69725019), (7, 29882151), (9, 23241673), (13, 16090389), (21, 9960717), (29, 7212933), (39, 5363463), (63, 3320239), (87, 2404311), (91, 2298627), (117, 1787821), (203, 1030419), (261, 801437), (273, 766209), (377, 554841), (609, 343473), (819, 255403), (1131, 184947), (1827, 114491), (2639, 79263), (3393, 61649), (7917, 26421), (8807, 23751)]