23780001

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 14788959

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 557, 749, 1671, 2033, 2247, 3899, 6099, 10583, 11697, 14231, 31749, 42693, 59599, 74081, 178797, 222243, 417193, 1132381, 1251579, 3397143, 7926667, 23780001]

約数ペア:

[(1, 23780001), (3, 7926667), (7, 3397143), (19, 1251579), (21, 1132381), (57, 417193), (107, 222243), (133, 178797), (321, 74081), (399, 59599), (557, 42693), (749, 31749), (1671, 14231), (2033, 11697), (2247, 10583), (3899, 6099)]