81407556

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{30977}}^1$

素因数の和:31060

約数の個数: 36

約数和(自身を含む): 208605852

約数和(自身を除く): 127198296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 30977, 61954, 92931, 123908, 185862, 278793, 371724, 557586, 1115172, 2261321, 4522642, 6783963, 9045284, 13567926, 20351889, 27135852, 40703778, 81407556]

約数ペア:

[(1, 81407556), (2, 40703778), (3, 27135852), (4, 20351889), (6, 13567926), (9, 9045284), (12, 6783963), (18, 4522642), (36, 2261321), (73, 1115172), (146, 557586), (219, 371724), (292, 278793), (438, 185862), (657, 123908), (876, 92931), (1314, 61954), (2628, 30977)]