23399775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 25347105

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 83, 105, 175, 179, 225, 249, 315, 415, 525, 537, 581, 747, 895, 1245, 1253, 1575, 1611, 1743, 2075, 2685, 2905, 3735, 3759, 4475, 5229, 6225, 6265, 8055, 8715, 11277, 13425, 14525, 14857, 18675, 18795, 26145, 31325, 40275, 43575, 44571, 56385, 74285, 93975, 103999, 130725, 133713, 222855, 281925, 311997, 371425, 519995, 668565, 935991, 1114275, 1559985, 2599975, 3342825, 4679955, 7799925, 23399775]

約数ペア:

[(1, 23399775), (3, 7799925), (5, 4679955), (7, 3342825), (9, 2599975), (15, 1559985), (21, 1114275), (25, 935991), (35, 668565), (45, 519995), (63, 371425), (75, 311997), (83, 281925), (105, 222855), (175, 133713), (179, 130725), (225, 103999), (249, 93975), (315, 74285), (415, 56385), (525, 44571), (537, 43575), (581, 40275), (747, 31325), (895, 26145), (1245, 18795), (1253, 18675), (1575, 14857), (1611, 14525), (1743, 13425), (2075, 11277), (2685, 8715), (2905, 8055), (3735, 6265), (3759, 6225), (4475, 5229)]