20131722681

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{727}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 31890173952

約数和(自身を除く): 11758451271

約数列:

[1, 3, 7, 21, 37, 111, 157, 227, 259, 471, 681, 727, 777, 1099, 1589, 2181, 3297, 4767, 5089, 5809, 8399, 15267, 17427, 25197, 26899, 35639, 40663, 58793, 80697, 106917, 114139, 121989, 165029, 176379, 188293, 249473, 342417, 495087, 564879, 748419, 798973, 1155203, 1318643, 2396919, 3465609, 3955929, 4223143, 6106073, 9230501, 12669429, 18318219, 25909553, 27691503, 29562001, 42742511, 77728659, 88686003, 128227533, 181366871, 544100613, 958653461, 2875960383, 6710574227, 20131722681]

約数ペア:

[(1, 20131722681), (3, 6710574227), (7, 2875960383), (21, 958653461), (37, 544100613), (111, 181366871), (157, 128227533), (227, 88686003), (259, 77728659), (471, 42742511), (681, 29562001), (727, 27691503), (777, 25909553), (1099, 18318219), (1589, 12669429), (2181, 9230501), (3297, 6106073), (4767, 4223143), (5089, 3955929), (5809, 3465609), (8399, 2396919), (15267, 1318643), (17427, 1155203), (25197, 798973), (26899, 748419), (35639, 564879), (40663, 495087), (58793, 342417), (80697, 249473), (106917, 188293), (114139, 176379), (121989, 165029)]