638477055

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{2381}}^1$

素因数の和:2552

約数の個数: 48

約数和(自身を含む): 1137071520

約数和(自身を除く): 498594465

約数列:

[1, 3, 5, 9, 15, 45, 59, 101, 177, 295, 303, 505, 531, 885, 909, 1515, 2381, 2655, 4545, 5959, 7143, 11905, 17877, 21429, 29795, 35715, 53631, 89385, 107145, 140479, 240481, 268155, 421437, 702395, 721443, 1202405, 1264311, 2107185, 2164329, 3607215, 6321555, 10821645, 14188379, 42565137, 70941895, 127695411, 212825685, 638477055]

約数ペア:

[(1, 638477055), (3, 212825685), (5, 127695411), (9, 70941895), (15, 42565137), (45, 14188379), (59, 10821645), (101, 6321555), (177, 3607215), (295, 2164329), (303, 2107185), (505, 1264311), (531, 1202405), (885, 721443), (909, 702395), (1515, 421437), (2381, 268155), (2655, 240481), (4545, 140479), (5959, 107145), (7143, 89385), (11905, 53631), (17877, 35715), (21429, 29795)]