9917943

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 16744320

約数和(自身を除く): 6826377

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 67, 133, 147, 159, 201, 371, 399, 469, 931, 1007, 1113, 1273, 1407, 2597, 2793, 3021, 3283, 3551, 3819, 7049, 7791, 8911, 9849, 10653, 21147, 24857, 26733, 49343, 62377, 67469, 74571, 148029, 173999, 187131, 202407, 472283, 521997, 1416849, 3305981, 9917943]

約数ペア:

[(1, 9917943), (3, 3305981), (7, 1416849), (19, 521997), (21, 472283), (49, 202407), (53, 187131), (57, 173999), (67, 148029), (133, 74571), (147, 67469), (159, 62377), (201, 49343), (371, 26733), (399, 24857), (469, 21147), (931, 10653), (1007, 9849), (1113, 8911), (1273, 7791), (1407, 7049), (2597, 3819), (2793, 3551), (3021, 3283)]