421654023

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2689}}^1$

素因数の和:2852

約数の個数: 48

約数和(自身を含む): 738566400

約数和(自身を除く): 316912377

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 393, 399, 917, 1179, 1197, 2489, 2689, 2751, 7467, 8067, 8253, 17423, 18823, 22401, 24201, 51091, 52269, 56469, 153273, 156807, 169407, 352259, 357637, 459819, 1056777, 1072911, 2465813, 3170331, 3218733, 6692921, 7397439, 20078763, 22192317, 46850447, 60236289, 140551341, 421654023]

約数ペア:

[(1, 421654023), (3, 140551341), (7, 60236289), (9, 46850447), (19, 22192317), (21, 20078763), (57, 7397439), (63, 6692921), (131, 3218733), (133, 3170331), (171, 2465813), (393, 1072911), (399, 1056777), (917, 459819), (1179, 357637), (1197, 352259), (2489, 169407), (2689, 156807), (2751, 153273), (7467, 56469), (8067, 52269), (8253, 51091), (17423, 24201), (18823, 22401)]