213789675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{541}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 387118080

約数和(自身を除く): 173328405

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 479, 541, 825, 1437, 1623, 2395, 2705, 5269, 5951, 7185, 8115, 11975, 13525, 15807, 17853, 26345, 29755, 35925, 40575, 79035, 89265, 131725, 148775, 259139, 395175, 446325, 777417, 1295695, 2850529, 3887085, 6478475, 8551587, 14252645, 19435425, 42757935, 71263225, 213789675]

約数ペア:

[(1, 213789675), (3, 71263225), (5, 42757935), (11, 19435425), (15, 14252645), (25, 8551587), (33, 6478475), (55, 3887085), (75, 2850529), (165, 1295695), (275, 777417), (479, 446325), (541, 395175), (825, 259139), (1437, 148775), (1623, 131725), (2395, 89265), (2705, 79035), (5269, 40575), (5951, 35925), (7185, 29755), (8115, 26345), (11975, 17853), (13525, 15807)]