1239446817

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2791}}^1$

素因数の和:2883

約数の個数: 72

約数和(自身を含む): 2234381760

約数和(自身を除く): 994934943

約数列:

[1, 3, 7, 9, 19, 21, 49, 53, 57, 63, 133, 147, 159, 171, 371, 399, 441, 477, 931, 1007, 1113, 1197, 2597, 2791, 2793, 3021, 3339, 7049, 7791, 8373, 8379, 9063, 19537, 21147, 23373, 25119, 49343, 53029, 58611, 63441, 136759, 147923, 148029, 159087, 175833, 371203, 410277, 443769, 444087, 477261, 1035461, 1113609, 1230831, 1331307, 2598421, 2810537, 3106383, 3340827, 7248227, 7795263, 8431611, 9319149, 19673759, 21744681, 23385789, 25294833, 59021277, 65234043, 137716313, 177063831, 413148939, 1239446817]

約数ペア:

[(1, 1239446817), (3, 413148939), (7, 177063831), (9, 137716313), (19, 65234043), (21, 59021277), (49, 25294833), (53, 23385789), (57, 21744681), (63, 19673759), (133, 9319149), (147, 8431611), (159, 7795263), (171, 7248227), (371, 3340827), (399, 3106383), (441, 2810537), (477, 2598421), (931, 1331307), (1007, 1230831), (1113, 1113609), (1197, 1035461), (2597, 477261), (2791, 444087), (2793, 443769), (3021, 410277), (3339, 371203), (7049, 175833), (7791, 159087), (8373, 148029), (8379, 147923), (9063, 136759), (19537, 63441), (21147, 58611), (23373, 53029), (25119, 49343)]