72705978

素因数分解:

$2^1\times 3^3\times {\mathrm{647}}^1\times {\mathrm{2081}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 161896320

約数和(自身を除く): 89190342

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 647, 1294, 1941, 2081, 3882, 4162, 5823, 6243, 11646, 12486, 17469, 18729, 34938, 37458, 56187, 112374, 1346407, 2692814, 4039221, 8078442, 12117663, 24235326, 36352989, 72705978]

約数ペア:

[(1, 72705978), (2, 36352989), (3, 24235326), (6, 12117663), (9, 8078442), (18, 4039221), (27, 2692814), (54, 1346407), (647, 112374), (1294, 56187), (1941, 37458), (2081, 34938), (3882, 18729), (4162, 17469), (5823, 12486), (6243, 11646)]