145413821

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 182304000

約数和(自身を除く): 36890179

約数列:

[1, 7, 19, 49, 53, 133, 343, 371, 421, 931, 1007, 2597, 2947, 6517, 7049, 7999, 18179, 20629, 22313, 49343, 55993, 144403, 156191, 345401, 391951, 423947, 1093337, 2743657, 2967629, 7653359, 20773403, 145413821]

約数ペア:

[(1, 145413821), (7, 20773403), (19, 7653359), (49, 2967629), (53, 2743657), (133, 1093337), (343, 423947), (371, 391951), (421, 345401), (931, 156191), (1007, 144403), (2597, 55993), (2947, 49343), (6517, 22313), (7049, 20629), (7999, 18179)]