21931572177

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{193}}^1\times {\mathrm{14563}}^1$

素因数の和:14799

約数の個数: 48

約数和(自身を含む): 34696108480

約数和(自身を除く): 12764536303

約数列:

[1, 3, 9, 17, 27, 51, 153, 193, 289, 459, 579, 867, 1737, 2601, 3281, 5211, 7803, 9843, 14563, 29529, 43689, 55777, 88587, 131067, 167331, 247571, 393201, 501993, 742713, 1505979, 2228139, 2810659, 4208707, 6684417, 8431977, 12626121, 25295931, 37878363, 47781203, 75887793, 113635089, 143343609, 430030827, 812280451, 1290092481, 2436841353, 7310524059, 21931572177]

約数ペア:

[(1, 21931572177), (3, 7310524059), (9, 2436841353), (17, 1290092481), (27, 812280451), (51, 430030827), (153, 143343609), (193, 113635089), (289, 75887793), (459, 47781203), (579, 37878363), (867, 25295931), (1737, 12626121), (2601, 8431977), (3281, 6684417), (5211, 4208707), (7803, 2810659), (9843, 2228139), (14563, 1505979), (29529, 742713), (43689, 501993), (55777, 393201), (88587, 247571), (131067, 167331)]