40209939

素因数分解:

$3^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 76684608

約数和(自身を除く): 36474669

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 243, 297, 307, 441, 539, 567, 693, 891, 921, 1323, 1617, 1701, 2079, 2149, 2673, 2763, 3377, 3969, 4851, 6237, 6447, 8289, 10131, 11907, 14553, 15043, 18711, 19341, 23639, 24867, 30393, 43659, 45129, 58023, 70917, 74601, 91179, 130977, 135387, 165473, 174069, 212751, 273537, 406161, 496419, 522207, 638253, 820611, 1218483, 1489257, 1914759, 3655449, 4467771, 5744277, 13403313, 40209939]

約数ペア:

[(1, 40209939), (3, 13403313), (7, 5744277), (9, 4467771), (11, 3655449), (21, 1914759), (27, 1489257), (33, 1218483), (49, 820611), (63, 638253), (77, 522207), (81, 496419), (99, 406161), (147, 273537), (189, 212751), (231, 174069), (243, 165473), (297, 135387), (307, 130977), (441, 91179), (539, 74601), (567, 70917), (693, 58023), (891, 45129), (921, 43659), (1323, 30393), (1617, 24867), (1701, 23639), (2079, 19341), (2149, 18711), (2673, 15043), (2763, 14553), (3377, 11907), (3969, 10131), (4851, 8289), (6237, 6447)]