213070845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 390297600

約数和(自身を除く): 177226755

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 131, 195, 247, 285, 393, 439, 655, 741, 1235, 1317, 1703, 1965, 2195, 2489, 3705, 5109, 5707, 6585, 7467, 8341, 8515, 12445, 17121, 25023, 25545, 28535, 32357, 37335, 41705, 57509, 85605, 97071, 108433, 125115, 161785, 172527, 287545, 325299, 485355, 542165, 747617, 862635, 1092671, 1626495, 2242851, 3278013, 3738085, 5463355, 11214255, 14204723, 16390065, 42614169, 71023615, 213070845]

約数ペア:

[(1, 213070845), (3, 71023615), (5, 42614169), (13, 16390065), (15, 14204723), (19, 11214255), (39, 5463355), (57, 3738085), (65, 3278013), (95, 2242851), (131, 1626495), (195, 1092671), (247, 862635), (285, 747617), (393, 542165), (439, 485355), (655, 325299), (741, 287545), (1235, 172527), (1317, 161785), (1703, 125115), (1965, 108433), (2195, 97071), (2489, 85605), (3705, 57509), (5109, 41705), (5707, 37335), (6585, 32357), (7467, 28535), (8341, 25545), (8515, 25023), (12445, 17121)]