78407889

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 130233600

約数和(自身を除く): 51825711

約数列:

[1, 3, 7, 19, 21, 49, 57, 67, 133, 147, 201, 399, 419, 469, 931, 1257, 1273, 1407, 2793, 2933, 3283, 3819, 7961, 8799, 8911, 9849, 20531, 23883, 26733, 28073, 55727, 61593, 62377, 84219, 167181, 187131, 196511, 390089, 533387, 589533, 1170267, 1375577, 1600161, 3733709, 4126731, 11201127, 26135963, 78407889]

約数ペア:

[(1, 78407889), (3, 26135963), (7, 11201127), (19, 4126731), (21, 3733709), (49, 1600161), (57, 1375577), (67, 1170267), (133, 589533), (147, 533387), (201, 390089), (399, 196511), (419, 187131), (469, 167181), (931, 84219), (1257, 62377), (1273, 61593), (1407, 55727), (2793, 28073), (2933, 26733), (3283, 23883), (3819, 20531), (7961, 9849), (8799, 8911)]