51437505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 97839360

約数和(自身を除く): 46401855

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 705, 735, 987, 1489, 1645, 2303, 4467, 4935, 6909, 7445, 10423, 11515, 22335, 31269, 34545, 52115, 69983, 72961, 156345, 209949, 218883, 349915, 364805, 489881, 1049745, 1094415, 1469643, 2449405, 3429167, 7348215, 10287501, 17145835, 51437505]

約数ペア:

[(1, 51437505), (3, 17145835), (5, 10287501), (7, 7348215), (15, 3429167), (21, 2449405), (35, 1469643), (47, 1094415), (49, 1049745), (105, 489881), (141, 364805), (147, 349915), (235, 218883), (245, 209949), (329, 156345), (705, 72961), (735, 69983), (987, 52115), (1489, 34545), (1645, 31269), (2303, 22335), (4467, 11515), (4935, 10423), (6909, 7445)]