80874639

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 123770880

約数和(自身を除く): 42896241

約数列:

[1, 3, 9, 27, 47, 101, 141, 303, 423, 631, 909, 1269, 1893, 2727, 4747, 5679, 14241, 17037, 29657, 42723, 63731, 88971, 128169, 191193, 266913, 573579, 800739, 1720737, 2995357, 8986071, 26958213, 80874639]

約数ペア:

[(1, 80874639), (3, 26958213), (9, 8986071), (27, 2995357), (47, 1720737), (101, 800739), (141, 573579), (303, 266913), (423, 191193), (631, 128169), (909, 88971), (1269, 63731), (1893, 42723), (2727, 29657), (4747, 17037), (5679, 14241)]