199147557

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 309657600

約数和(自身を除く): 110510043

約数列:

[1, 3, 7, 21, 89, 127, 267, 381, 623, 839, 889, 1869, 2517, 2667, 5873, 11303, 17619, 33909, 74671, 79121, 106553, 224013, 237363, 319659, 522697, 745871, 1568091, 2237613, 9483217, 28449651, 66382519, 199147557]

約数ペア:

[(1, 199147557), (3, 66382519), (7, 28449651), (21, 9483217), (89, 2237613), (127, 1568091), (267, 745871), (381, 522697), (623, 319659), (839, 237363), (889, 224013), (1869, 106553), (2517, 79121), (2667, 74671), (5873, 33909), (11303, 17619)]