240165723

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3989}}^1$

素因数の和:4107

約数の個数: 32

約数和(自身を含む): 379975680

約数和(自身を除く): 139809957

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 329, 427, 987, 1281, 2867, 3989, 8601, 11967, 20069, 27923, 60207, 83769, 187483, 243329, 562449, 729987, 1312381, 1703303, 3937143, 5109909, 11436463, 34309389, 80055241, 240165723]

約数ペア:

[(1, 240165723), (3, 80055241), (7, 34309389), (21, 11436463), (47, 5109909), (61, 3937143), (141, 1703303), (183, 1312381), (329, 729987), (427, 562449), (987, 243329), (1281, 187483), (2867, 83769), (3989, 60207), (8601, 27923), (11967, 20069)]