200811321

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 314705664

約数和(自身を除く): 113894343

約数列:

[1, 3, 9, 23, 37, 69, 111, 157, 167, 207, 333, 471, 501, 851, 1413, 1503, 2553, 3611, 3841, 5809, 6179, 7659, 10833, 11523, 17427, 18537, 26219, 32499, 34569, 52281, 55611, 78657, 133607, 142117, 235971, 400821, 426351, 603037, 970103, 1202463, 1279053, 1809111, 2910309, 5427333, 8730927, 22312369, 66937107, 200811321]

約数ペア:

[(1, 200811321), (3, 66937107), (9, 22312369), (23, 8730927), (37, 5427333), (69, 2910309), (111, 1809111), (157, 1279053), (167, 1202463), (207, 970103), (333, 603037), (471, 426351), (501, 400821), (851, 235971), (1413, 142117), (1503, 133607), (2553, 78657), (3611, 55611), (3841, 52281), (5809, 34569), (6179, 32499), (7659, 26219), (10833, 18537), (11523, 17427)]