51319209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 76930560

約数和(自身を除く): 25611351

約数列:

[1, 3, 17, 19, 51, 57, 211, 251, 323, 633, 753, 969, 3587, 4009, 4267, 4769, 10761, 12027, 12801, 14307, 52961, 68153, 81073, 158883, 204459, 243219, 900337, 1006259, 2701011, 3018777, 17106403, 51319209]

約数ペア:

[(1, 51319209), (3, 17106403), (17, 3018777), (19, 2701011), (51, 1006259), (57, 900337), (211, 243219), (251, 204459), (323, 158883), (633, 81073), (753, 68153), (969, 52961), (3587, 14307), (4009, 12801), (4267, 12027), (4769, 10761)]