85128021

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 140400000

約数和(自身を除く): 55271979

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 149, 199, 261, 319, 447, 597, 957, 1341, 1639, 1791, 2189, 2871, 4321, 4917, 5771, 6567, 12963, 14751, 17313, 19701, 29651, 38889, 47531, 51939, 63481, 88953, 142593, 190443, 266859, 326161, 427779, 571329, 859879, 978483, 2579637, 2935449, 7738911, 9458669, 28376007, 85128021]

約数ペア:

[(1, 85128021), (3, 28376007), (9, 9458669), (11, 7738911), (29, 2935449), (33, 2579637), (87, 978483), (99, 859879), (149, 571329), (199, 427779), (261, 326161), (319, 266859), (447, 190443), (597, 142593), (957, 88953), (1341, 63481), (1639, 51939), (1791, 47531), (2189, 38889), (2871, 29651), (4321, 19701), (4917, 17313), (5771, 14751), (6567, 12963)]