19761219

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 30497280

約数和(自身を除く): 10736061

約数列:

[1, 3, 9, 27, 37, 111, 131, 151, 333, 393, 453, 999, 1179, 1359, 3537, 4077, 4847, 5587, 14541, 16761, 19781, 43623, 50283, 59343, 130869, 150849, 178029, 534087, 731897, 2195691, 6587073, 19761219]

約数ペア:

[(1, 19761219), (3, 6587073), (9, 2195691), (27, 731897), (37, 534087), (111, 178029), (131, 150849), (151, 130869), (333, 59343), (393, 50283), (453, 43623), (999, 19781), (1179, 16761), (1359, 14541), (3537, 5587), (4077, 4847)]