40784751

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 72131904

約数和(自身を除く): 31347153

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 113, 119, 153, 337, 339, 357, 791, 1011, 1017, 1071, 1921, 2359, 2373, 3033, 5729, 5763, 7077, 7119, 13447, 17187, 17289, 21231, 38081, 40103, 40341, 51561, 114243, 120309, 121023, 266567, 342729, 360927, 647377, 799701, 1942131, 2399103, 4531639, 5826393, 13594917, 40784751]

約数ペア:

[(1, 40784751), (3, 13594917), (7, 5826393), (9, 4531639), (17, 2399103), (21, 1942131), (51, 799701), (63, 647377), (113, 360927), (119, 342729), (153, 266567), (337, 121023), (339, 120309), (357, 114243), (791, 51561), (1011, 40341), (1017, 40103), (1071, 38081), (1921, 21231), (2359, 17289), (2373, 17187), (3033, 13447), (5729, 7119), (5763, 7077)]