49439691

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 86960640

約数和(自身を除く): 37520949

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 103, 133, 171, 309, 399, 401, 721, 927, 1197, 1203, 1957, 2163, 2807, 3609, 5871, 6489, 7619, 8421, 13699, 17613, 22857, 25263, 41097, 41303, 53333, 68571, 123291, 123909, 159999, 289121, 371727, 479997, 784757, 867363, 2354271, 2602089, 5493299, 7062813, 16479897, 49439691]

約数ペア:

[(1, 49439691), (3, 16479897), (7, 7062813), (9, 5493299), (19, 2602089), (21, 2354271), (57, 867363), (63, 784757), (103, 479997), (133, 371727), (171, 289121), (309, 159999), (399, 123909), (401, 123291), (721, 68571), (927, 53333), (1197, 41303), (1203, 41097), (1957, 25263), (2163, 22857), (2807, 17613), (3609, 13699), (5871, 8421), (6489, 7619)]