42389529

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 74747904

約数和(自身を除く): 32358375

約数列:

[1, 3, 7, 13, 21, 23, 39, 43, 69, 91, 129, 157, 161, 273, 299, 301, 471, 483, 559, 897, 903, 989, 1099, 1677, 2041, 2093, 2967, 3297, 3611, 3913, 6123, 6279, 6751, 6923, 10833, 11739, 12857, 14287, 20253, 20769, 25277, 38571, 42861, 46943, 47257, 75831, 87763, 89999, 140829, 141771, 155273, 263289, 269997, 328601, 465819, 614341, 985803, 1086911, 1843023, 2018549, 3260733, 6055647, 14129843, 42389529]

約数ペア:

[(1, 42389529), (3, 14129843), (7, 6055647), (13, 3260733), (21, 2018549), (23, 1843023), (39, 1086911), (43, 985803), (69, 614341), (91, 465819), (129, 328601), (157, 269997), (161, 263289), (273, 155273), (299, 141771), (301, 140829), (471, 89999), (483, 87763), (559, 75831), (897, 47257), (903, 46943), (989, 42861), (1099, 38571), (1677, 25277), (2041, 20769), (2093, 20253), (2967, 14287), (3297, 12857), (3611, 11739), (3913, 10833), (6123, 6923), (6279, 6751)]