7253421

素因数分解:

$3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 40

約数和(自身を含む): 12100320

約数和(自身を除く): 4846899

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 133, 147, 159, 343, 371, 399, 931, 1007, 1029, 1113, 2401, 2597, 2793, 3021, 6517, 7049, 7203, 7791, 18179, 19551, 21147, 45619, 49343, 54537, 127253, 136857, 148029, 345401, 381759, 1036203, 2417807, 7253421]

約数ペア:

[(1, 7253421), (3, 2417807), (7, 1036203), (19, 381759), (21, 345401), (49, 148029), (53, 136857), (57, 127253), (133, 54537), (147, 49343), (159, 45619), (343, 21147), (371, 19551), (399, 18179), (931, 7791), (1007, 7203), (1029, 7049), (1113, 6517), (2401, 3021), (2597, 2793)]