820771833

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 1343692800

約数和(自身を除く): 522920967

約数列:

[1, 3, 7, 21, 29, 53, 59, 87, 159, 177, 203, 371, 413, 431, 609, 1113, 1239, 1293, 1537, 1711, 3017, 3127, 4611, 5133, 9051, 9381, 10759, 11977, 12499, 21889, 22843, 25429, 32277, 35931, 37497, 65667, 68529, 76287, 87493, 90683, 159901, 178003, 262479, 272049, 479703, 534009, 634781, 662447, 737441, 1347737, 1904343, 1987341, 2212323, 4043211, 4637129, 5162087, 9434159, 13911387, 15486261, 28302477, 39084373, 117253119, 273590611, 820771833]

約数ペア:

[(1, 820771833), (3, 273590611), (7, 117253119), (21, 39084373), (29, 28302477), (53, 15486261), (59, 13911387), (87, 9434159), (159, 5162087), (177, 4637129), (203, 4043211), (371, 2212323), (413, 1987341), (431, 1904343), (609, 1347737), (1113, 737441), (1239, 662447), (1293, 634781), (1537, 534009), (1711, 479703), (3017, 272049), (3127, 262479), (4611, 178003), (5133, 159901), (9051, 90683), (9381, 87493), (10759, 76287), (11977, 68529), (12499, 65667), (21889, 37497), (22843, 35931), (25429, 32277)]