200915883

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 360336064

約数和(自身を除く): 159420181

約数列:

[1, 3, 7, 9, 21, 27, 37, 61, 63, 81, 111, 157, 183, 189, 259, 333, 427, 471, 549, 567, 777, 999, 1099, 1281, 1413, 1647, 2257, 2331, 2997, 3297, 3843, 4239, 4941, 5809, 6771, 6993, 9577, 9891, 11529, 12717, 15799, 17427, 20313, 20979, 28731, 29673, 34587, 40663, 47397, 52281, 60939, 67039, 86193, 89019, 121989, 142191, 156843, 182817, 201117, 258579, 354349, 365967, 426573, 470529, 603351, 775737, 1063047, 1097901, 1279719, 1810053, 2480443, 3189141, 3293703, 5430159, 7441329, 9567423, 22323987, 28702269, 66971961, 200915883]

約数ペア:

[(1, 200915883), (3, 66971961), (7, 28702269), (9, 22323987), (21, 9567423), (27, 7441329), (37, 5430159), (61, 3293703), (63, 3189141), (81, 2480443), (111, 1810053), (157, 1279719), (183, 1097901), (189, 1063047), (259, 775737), (333, 603351), (427, 470529), (471, 426573), (549, 365967), (567, 354349), (777, 258579), (999, 201117), (1099, 182817), (1281, 156843), (1413, 142191), (1647, 121989), (2257, 89019), (2331, 86193), (2997, 67039), (3297, 60939), (3843, 52281), (4239, 47397), (4941, 40663), (5809, 34587), (6771, 29673), (6993, 28731), (9577, 20979), (9891, 20313), (11529, 17427), (12717, 15799)]